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 #define NX_SECURE_SOURCE_CODE
23
24 #include "nx_secure_tls.h"
25 #include "nx_secure_x509.h"
26
27 /**************************************************************************/
28 /* */
29 /* FUNCTION RELEASE */
30 /* */
31 /* _nx_secure_tls_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 an initialized NX_SECURE_TLS_CERTIFICATE to a */
40 /* TLS session for use as a local identification certificate - the */
41 /* TLS Server certificate for TLS servers, and the Client certificate */
42 /* for TLS clients. The function may be called repeatedly to add */
43 /* multiple certificates to the internal linked-list. */
44 /* */
45 /* INPUT */
46 /* */
47 /* tls_session Pointer to TLS Session */
48 /* certificate Pointer to certificate */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* status Completion status */
53 /* */
54 /* CALLS */
55 /* */
56 /* tx_mutex_get Get protection mutex */
57 /* tx_mutex_put Put protection mutex */
58 /* _nx_secure_x509_store_certificate_add Add the certificate to the */
59 /* local store */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* Application Code */
64 /* _nx_secure_tls_server_certificate_add Add server certificate */
65 /* */
66 /* RELEASE HISTORY */
67 /* */
68 /* DATE NAME DESCRIPTION */
69 /* */
70 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
71 /* 09-30-2020 Timothy Stapko Modified comment(s), */
72 /* resulting in version 6.1 */
73 /* 04-02-2021 Timothy Stapko Modified comment(s), */
74 /* updated X.509 return value, */
75 /* resulting in version 6.1.6 */
76 /* 03-08-2023 Yanwu Cai Modified comment(s), */
77 /* fixed compiler errors when */
78 /* x509 is disabled, */
79 /* resulting in version 6.2.1 */
80 /* */
81 /**************************************************************************/
_nx_secure_tls_local_certificate_add(NX_SECURE_TLS_SESSION * tls_session,NX_SECURE_X509_CERT * certificate)82 UINT _nx_secure_tls_local_certificate_add(NX_SECURE_TLS_SESSION *tls_session,
83 NX_SECURE_X509_CERT *certificate)
84 {
85 #ifndef NX_SECURE_DISABLE_X509
86 UINT status;
87
88 /* Get the protection. */
89 tx_mutex_get(&_nx_secure_tls_protection, TX_WAIT_FOREVER);
90
91 /* Assign the TLS Session metadata areas to the certificate for later use. */
92 certificate -> nx_secure_x509_public_cipher_metadata_area = tls_session -> nx_secure_public_cipher_metadata_area;
93 certificate -> nx_secure_x509_public_cipher_metadata_size = tls_session -> nx_secure_public_cipher_metadata_size;
94
95 certificate -> nx_secure_x509_hash_metadata_area = tls_session -> nx_secure_hash_mac_metadata_area;
96 certificate -> nx_secure_x509_hash_metadata_size = tls_session -> nx_secure_hash_mac_metadata_size;
97
98 /* Assign the cipher table from the parent TLS session. */
99 certificate -> nx_secure_x509_cipher_table = tls_session -> nx_secure_tls_crypto_table -> nx_secure_tls_x509_cipher_table;
100 certificate -> nx_secure_x509_cipher_table_size = tls_session -> nx_secure_tls_crypto_table -> nx_secure_tls_x509_cipher_table_size;
101
102
103 /* Add the certificate to the TLS session credentials X509 store. */
104 status = _nx_secure_x509_store_certificate_add(certificate, &tls_session -> nx_secure_tls_credentials.nx_secure_tls_certificate_store,
105 NX_SECURE_X509_CERT_LOCATION_LOCAL);
106
107 /* Release the protection. */
108 tx_mutex_put(&_nx_secure_tls_protection);
109
110 /* Translate some X.509 return values into TLS return values. */
111 if (status == NX_SECURE_X509_CERT_ID_DUPLICATE)
112 {
113 return(NX_SECURE_TLS_CERT_ID_DUPLICATE);
114 }
115
116 return(status);
117 #else
118 NX_PARAMETER_NOT_USED(tls_session);
119 NX_PARAMETER_NOT_USED(certificate);
120
121 return(NX_NOT_SUPPORTED);
122 #endif
123 }
124
125