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_remote_certificate_buffer_allocate PORTABLE C */
39 /* 6.1 */
40 /* AUTHOR */
41 /* */
42 /* Timothy Stapko, Microsoft Corporation */
43 /* */
44 /* DESCRIPTION */
45 /* */
46 /* This function checks for errors in allocating buffer space for */
47 /* incoming certificates from the remote host. */
48 /* */
49 /* INPUT */
50 /* */
51 /* tls_session Pointer to TLS Session */
52 /* certs_number Number of client certs */
53 /* certificate_buffer Buffer allocated for certs */
54 /* buffer_size Buffer size in bytes */
55 /* */
56 /* OUTPUT */
57 /* */
58 /* status Completion status */
59 /* */
60 /* CALLS */
61 /* */
62 /* None */
63 /* */
64 /* CALLED BY */
65 /* */
66 /* Application Code */
67 /* */
68 /* RELEASE HISTORY */
69 /* */
70 /* DATE NAME DESCRIPTION */
71 /* */
72 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
73 /* 09-30-2020 Timothy Stapko Modified comment(s), */
74 /* resulting in version 6.1 */
75 /* */
76 /**************************************************************************/
_nxe_secure_tls_remote_certificate_buffer_allocate(NX_SECURE_TLS_SESSION * tls_session,UINT certs_number,VOID * certificate_buffer,ULONG buffer_size)77 UINT _nxe_secure_tls_remote_certificate_buffer_allocate(NX_SECURE_TLS_SESSION *tls_session, UINT certs_number, VOID *certificate_buffer, ULONG buffer_size)
78 {
79 UINT status;
80
81 /* Check for NULL pointers. */
82 if(tls_session == NX_NULL || certificate_buffer == NX_NULL)
83 {
84 return(NX_PTR_ERROR);
85 }
86
87 if(certs_number == 0 || buffer_size == 0)
88 {
89 return(NX_INVALID_PARAMETERS);
90 }
91
92 /* Make sure the session is initialized. */
93 if(tls_session -> nx_secure_tls_id != NX_SECURE_TLS_ID)
94 {
95 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
96 }
97
98 /* Check for appropriate caller. */
99 NX_THREADS_ONLY_CALLER_CHECKING
100
101 /* Call actual function. */
102 status = _nx_secure_tls_remote_certificate_buffer_allocate(tls_session, certs_number, certificate_buffer, buffer_size);
103
104 /* Return completion status. */
105 return(status);
106 }
107
108
