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 /** X.509 Digital Certificates */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 #define NX_SECURE_SOURCE_CODE
24
25
26 /* Include necessary system files. */
27
28 #include "nx_secure_x509.h"
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* _nx_secure_x509_dns_name_initialize PORTABLE C */
35 /* 6.1.6 */
36 /* AUTHOR */
37 /* */
38 /* Timothy Stapko, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function initializes an X509 DNS name for use with extensions */
43 /* that use domain name entries. */
44 /* */
45 /* INPUT */
46 /* */
47 /* dns_name Name structure */
48 /* name_string DNS name string */
49 /* length Length of name string */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* status Completion status */
54 /* */
55 /* CALLS */
56 /* */
57 /* None */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
68 /* 09-30-2020 Timothy Stapko Modified comment(s), improved */
69 /* buffer length verification, */
70 /* verified memcpy use cases, */
71 /* resulting in version 6.1 */
72 /* 04-02-2021 Timothy Stapko Modified comment(s), */
73 /* removed dependency on TLS, */
74 /* resulting in version 6.1.6 */
75 /* */
76 /**************************************************************************/
_nx_secure_x509_dns_name_initialize(NX_SECURE_X509_DNS_NAME * dns_name,const UCHAR * name_string,USHORT length)77 UINT _nx_secure_x509_dns_name_initialize(NX_SECURE_X509_DNS_NAME *dns_name,
78 const UCHAR *name_string, USHORT length)
79 {
80
81 /* Make sure we don't copy over the end of the buffer. */
82 if (dns_name -> nx_secure_x509_dns_name_length > NX_SECURE_X509_DNS_NAME_MAX)
83 {
84 dns_name -> nx_secure_x509_dns_name_length = NX_SECURE_X509_DNS_NAME_MAX;
85 }
86
87 /* Copy the name string into the entry structure. */
88 NX_SECURE_MEMCPY(dns_name -> nx_secure_x509_dns_name, name_string, length); /* Use case of memcpy is verified. lgtm[cpp/banned-api-usage-required-any] */
89
90 dns_name -> nx_secure_x509_dns_name_length = length;
91
92 /* Return completion status. */
93 return(NX_SECURE_X509_SUCCESS);
94 }
95
96
