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 /*    _nx_secure_dtls_session_local_certificate_add       PORTABLE C      */
32 /*                                                           6.2.1        */
33 /*  AUTHOR                                                                */
34 /*                                                                        */
35 /*    Timothy Stapko, Microsoft Corporation                               */
36 /*                                                                        */
37 /*  DESCRIPTION                                                           */
38 /*                                                                        */
39 /*    This function adds a local identity certificate to a DTLS session   */
40 /*    instance. The certificate is used to identify the DTLS session to   */
41 /*    a remote host. For DTLS Servers, this certificate is required. For  */
42 /*    DTLS Clients, the certificate is only needed if the remote server   */
43 /*    requests one.                                                       */
44 /*                                                                        */
45 /*  INPUT                                                                 */
46 /*                                                                        */
47 /*    dtls_session                          DTLS session control block    */
48 /*    certificate                           Pointer to identity cert      */
49 /*    cert_id                               Numeric ID for cert           */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    status                                Completion status             */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _nx_secure_tls_server_certificate_add                               */
58 /*                                          Add certificate to TLS        */
59 /*                                            session.                    */
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 /*  03-08-2023     Yanwu Cai                Modified comment(s),          */
73 /*                                            fixed compiler errors when  */
74 /*                                            x509 is disabled,           */
75 /*                                            resulting in version 6.2.1  */
76 /*                                                                        */
77 /**************************************************************************/
_nx_secure_dtls_session_local_certificate_add(NX_SECURE_DTLS_SESSION * dtls_session,NX_SECURE_X509_CERT * certificate,UINT cert_id)78 UINT _nx_secure_dtls_session_local_certificate_add(NX_SECURE_DTLS_SESSION *dtls_session,
79                                                    NX_SECURE_X509_CERT *certificate, UINT cert_id)
80 {
81 #if defined(NX_SECURE_ENABLE_DTLS) && !defined(NX_SECURE_DISABLE_X509)
82 UINT status;
83 NX_SECURE_TLS_SESSION *tls_session;
84 
85     /* Get the internal TLS session instance. */
86     tls_session = &(dtls_session -> nx_secure_dtls_tls_session);
87 
88     /* Add the certificate with the provided ID. Note that the TLS API called here allows us to
89        add a local cert with a numeric ID (legacy local certificate add API does not have id).  */
90     status = _nx_secure_tls_server_certificate_add(tls_session, certificate, cert_id);
91 
92     return(status);
93 #else
94     NX_PARAMETER_NOT_USED(dtls_session);
95     NX_PARAMETER_NOT_USED(certificate);
96     NX_PARAMETER_NOT_USED(cert_id);
97 
98     return(NX_NOT_SUPPORTED);
99 #endif /* NX_SECURE_ENABLE_DTLS && !NX_SECURE_DISABLE_X509 */
100 }
101 
102