1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** NetX Secure Component */
16 /** */
17 /** X.509 Digital Certificates */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define NX_SECURE_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "nx_secure_x509.h"
28
29 /**************************************************************************/
30 /* */
31 /* FUNCTION RELEASE */
32 /* */
33 /* _nx_secure_x509_dns_name_initialize PORTABLE C */
34 /* 6.1.6 */
35 /* AUTHOR */
36 /* */
37 /* Timothy Stapko, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function initializes an X509 DNS name for use with extensions */
42 /* that use domain name entries. */
43 /* */
44 /* INPUT */
45 /* */
46 /* dns_name Name structure */
47 /* name_string DNS name string */
48 /* length Length of name string */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* status Completion status */
53 /* */
54 /* CALLS */
55 /* */
56 /* None */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* Application Code */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
67 /* 09-30-2020 Timothy Stapko Modified comment(s), improved */
68 /* buffer length verification, */
69 /* verified memcpy use cases, */
70 /* resulting in version 6.1 */
71 /* 04-02-2021 Timothy Stapko Modified comment(s), */
72 /* removed dependency on TLS, */
73 /* resulting in version 6.1.6 */
74 /* */
75 /**************************************************************************/
_nx_secure_x509_dns_name_initialize(NX_SECURE_X509_DNS_NAME * dns_name,const UCHAR * name_string,USHORT length)76 UINT _nx_secure_x509_dns_name_initialize(NX_SECURE_X509_DNS_NAME *dns_name,
77 const UCHAR *name_string, USHORT length)
78 {
79
80 /* Make sure we don't copy over the end of the buffer. */
81 if (dns_name -> nx_secure_x509_dns_name_length > NX_SECURE_X509_DNS_NAME_MAX)
82 {
83 dns_name -> nx_secure_x509_dns_name_length = NX_SECURE_X509_DNS_NAME_MAX;
84 }
85
86 /* Copy the name string into the entry structure. */
87 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] */
88
89 dns_name -> nx_secure_x509_dns_name_length = length;
90
91 /* Return completion status. */
92 return(NX_SECURE_X509_SUCCESS);
93 }
94
95
