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_server_x509_client_verify_disable   PORTABLE C      */
32 /*                                                           6.1          */
33 /*  AUTHOR                                                                */
34 /*                                                                        */
35 /*    Timothy Stapko, Microsoft Corporation                               */
36 /*                                                                        */
37 /*  DESCRIPTION                                                           */
38 /*                                                                        */
39 /*    This function disables X.509 Client certificate verification and    */
40 /*    authentication for a DTLS server instance.                          */
41 /*                                                                        */
42 /*  INPUT                                                                 */
43 /*                                                                        */
44 /*    server_ptr                            DTLS server control block     */
45 /*                                                                        */
46 /*  OUTPUT                                                                */
47 /*                                                                        */
48 /*    status                                Completion status             */
49 /*                                                                        */
50 /*  CALLS                                                                 */
51 /*                                                                        */
52 /*    _nx_secure_tls_session_client_verify_disable                        */
53 /*                                          Configure individual session  */
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 /**************************************************************************/
_nx_secure_dtls_server_x509_client_verify_disable(NX_SECURE_DTLS_SERVER * server_ptr)68 UINT _nx_secure_dtls_server_x509_client_verify_disable(NX_SECURE_DTLS_SERVER *server_ptr)
69 {
70 #ifdef NX_SECURE_ENABLE_DTLS
71 UINT status;
72 UINT i;
73 NX_SECURE_DTLS_SESSION *current_session;
74 NX_SECURE_TLS_SESSION *tls_session;
75 UINT num_sessions;
76 
77 
78     /* Figure out number of sessions. */
79     num_sessions = server_ptr->nx_dtls_server_sessions_count;
80 
81     /* Disable check for all sessions. */
82     for(i = 0; i < num_sessions; ++i)
83     {
84         /* Get the current session. */
85         current_session = &(server_ptr->nx_dtls_server_sessions[i]);
86 
87         /* Get the internal TLS session instance. */
88         tls_session = &(current_session -> nx_secure_dtls_tls_session);
89 
90         /* Disable client verification for this session. */
91         status = _nx_secure_tls_session_client_verify_disable(tls_session);
92 
93         if(status != NX_SUCCESS)
94         {
95             return(status);
96         }
97     }
98 
99     return(NX_SUCCESS);
100 #else
101     NX_PARAMETER_NOT_USED(server_ptr);
102 
103     return(NX_NOT_SUPPORTED);
104 #endif /* NX_SECURE_ENABLE_DTLS */
105 }
106 
107