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_session_send PORTABLE C */
39 /* 6.3.0 */
40 /* AUTHOR */
41 /* */
42 /* Timothy Stapko, Microsoft Corporation */
43 /* */
44 /* DESCRIPTION */
45 /* */
46 /* This function checks for errors in the TLS session send call. */
47 /* */
48 /* INPUT */
49 /* */
50 /* tls_session TLS control block */
51 /* packet_ptr Pointer to packet data */
52 /* wait_option Indicates behavior if TCP */
53 /* socket cannot send packet */
54 /* */
55 /* OUTPUT */
56 /* */
57 /* status Completion status */
58 /* */
59 /* CALLS */
60 /* */
61 /* _nx_secure_tls_session_send Actual TLS session send call. */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* Application Code */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
72 /* 09-30-2020 Timothy Stapko Modified comment(s), */
73 /* resulting in version 6.1 */
74 /* 10-31-2023 Yanwu Cai Modified comment(s), added */
75 /* record length checking, */
76 /* resulting in version 6.3.0 */
77 /* */
78 /**************************************************************************/
_nxe_secure_tls_session_send(NX_SECURE_TLS_SESSION * tls_session,NX_PACKET * packet_ptr,ULONG wait_option)79 UINT _nxe_secure_tls_session_send(NX_SECURE_TLS_SESSION *tls_session, NX_PACKET *packet_ptr,
80 ULONG wait_option)
81 {
82 UINT status;
83
84 if (tls_session == NX_NULL)
85 {
86 return(NX_PTR_ERROR);
87 }
88
89 if (packet_ptr == NX_NULL)
90 {
91 return(NX_PTR_ERROR);
92 }
93
94 if (tls_session -> nx_secure_tls_tcp_socket == NX_NULL)
95 {
96 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
97 }
98
99 /* Make sure the session is initialized. */
100 if (tls_session -> nx_secure_tls_id != NX_SECURE_TLS_ID)
101 {
102 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
103 }
104
105 /* Check the plaintext length as the fragmentation is not supported currently. */
106 if (packet_ptr -> nx_packet_length > NX_SECURE_TLS_MAX_PLAINTEXT_LENGTH)
107 {
108 return(NX_SECURE_TLS_RECORD_OVERFLOW);
109 }
110
111 /* Check for appropriate caller. */
112 NX_THREADS_ONLY_CALLER_CHECKING
113
114 status = _nx_secure_tls_session_send(tls_session, packet_ptr, wait_option);
115
116 /* Return completion status. */
117 return(status);
118 }
119
120
