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 /**    Transport Layer Security (TLS)                                     */
19 /**                                                                       */
20 /**************************************************************************/
21 /**************************************************************************/
22 
23 #define NX_SECURE_SOURCE_CODE
24 
25 
26 /* Include necessary system files.  */
27 
28 #include "nx_secure_tls.h"
29 
30 /* Bring in externs for caller checking code.  */
31 
32 NX_SECURE_CALLER_CHECKING_EXTERNS
33 
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _nxe_secure_tls_trusted_certificate_remove          PORTABLE C      */
39 /*                                                           6.1          */
40 /*  AUTHOR                                                                */
41 /*                                                                        */
42 /*    Timothy Stapko, Microsoft Corporation                               */
43 /*                                                                        */
44 /*  DESCRIPTION                                                           */
45 /*                                                                        */
46 /*    This function checks for errors in the TLS trusted certificate      */
47 /*    remove call.                                                        */
48 /*                                                                        */
49 /*  INPUT                                                                 */
50 /*                                                                        */
51 /*    tls_session                           Pointer to TLS Session        */
52 /*    common_name                           String to match "CN" field    */
53 /*    common_name_length                    Length of name                */
54 /*                                                                        */
55 /*  OUTPUT                                                                */
56 /*                                                                        */
57 /*    status                                Completion status             */
58 /*                                                                        */
59 /*  CALLS                                                                 */
60 /*                                                                        */
61 /*    _nx_secure_tls_trusted_certificate_remove                           */
62 /*                                          Actual local certificate add  */
63 /*                                            call                        */
64 /*                                                                        */
65 /*  CALLED BY                                                             */
66 /*                                                                        */
67 /*    Application Code                                                    */
68 /*                                                                        */
69 /*  RELEASE HISTORY                                                       */
70 /*                                                                        */
71 /*    DATE              NAME                      DESCRIPTION             */
72 /*                                                                        */
73 /*  05-19-2020     Timothy Stapko           Initial Version 6.0           */
74 /*  09-30-2020     Timothy Stapko           Modified comment(s),          */
75 /*                                            resulting in version 6.1    */
76 /*                                                                        */
77 /**************************************************************************/
_nxe_secure_tls_trusted_certificate_remove(NX_SECURE_TLS_SESSION * tls_session,UCHAR * common_name,UINT common_name_length)78 UINT _nxe_secure_tls_trusted_certificate_remove(NX_SECURE_TLS_SESSION *tls_session,
79                                                 UCHAR *common_name, UINT common_name_length)
80 {
81 UINT status;
82 
83     if (tls_session == NX_NULL)
84     {
85         return(NX_PTR_ERROR);
86     }
87 
88     if ((common_name == NX_NULL) || (common_name_length == 0))
89     {
90         return(NX_PTR_ERROR);
91     }
92 
93     /* Make sure the session is initialized. */
94     if(tls_session -> nx_secure_tls_id != NX_SECURE_TLS_ID)
95     {
96         return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
97     }
98 
99     /* Check for appropriate caller.  */
100     NX_THREADS_ONLY_CALLER_CHECKING
101 
102     status =  _nx_secure_tls_trusted_certificate_remove(tls_session, common_name, common_name_length);
103 
104     /* Return completion status.  */
105     return(status);
106 }
107 
108