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 /** Transport Layer Security (TLS) */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define NX_SECURE_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "nx_secure_tls.h"
28
29 /* Bring in externs for caller checking code. */
30
31 NX_SECURE_CALLER_CHECKING_EXTERNS
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _nxe_secure_tls_session_send PORTABLE C */
38 /* 6.3.0 */
39 /* AUTHOR */
40 /* */
41 /* Timothy Stapko, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function checks for errors in the TLS session send call. */
46 /* */
47 /* INPUT */
48 /* */
49 /* tls_session TLS control block */
50 /* packet_ptr Pointer to packet data */
51 /* wait_option Indicates behavior if TCP */
52 /* socket cannot send packet */
53 /* */
54 /* OUTPUT */
55 /* */
56 /* status Completion status */
57 /* */
58 /* CALLS */
59 /* */
60 /* _nx_secure_tls_session_send Actual TLS session send call. */
61 /* */
62 /* CALLED BY */
63 /* */
64 /* Application Code */
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 /* 10-31-2023 Yanwu Cai Modified comment(s), added */
74 /* record length checking, */
75 /* resulting in version 6.3.0 */
76 /* */
77 /**************************************************************************/
_nxe_secure_tls_session_send(NX_SECURE_TLS_SESSION * tls_session,NX_PACKET * packet_ptr,ULONG wait_option)78 UINT _nxe_secure_tls_session_send(NX_SECURE_TLS_SESSION *tls_session, NX_PACKET *packet_ptr,
79 ULONG wait_option)
80 {
81 UINT status;
82
83 if (tls_session == NX_NULL)
84 {
85 return(NX_PTR_ERROR);
86 }
87
88 if (packet_ptr == NX_NULL)
89 {
90 return(NX_PTR_ERROR);
91 }
92
93 if (tls_session -> nx_secure_tls_tcp_socket == NX_NULL)
94 {
95 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
96 }
97
98 /* Make sure the session is initialized. */
99 if (tls_session -> nx_secure_tls_id != NX_SECURE_TLS_ID)
100 {
101 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
102 }
103
104 /* Check the plaintext length as the fragmentation is not supported currently. */
105 if (packet_ptr -> nx_packet_length > NX_SECURE_TLS_MAX_PLAINTEXT_LENGTH)
106 {
107 return(NX_SECURE_TLS_RECORD_OVERFLOW);
108 }
109
110 /* Check for appropriate caller. */
111 NX_THREADS_ONLY_CALLER_CHECKING
112
113 status = _nx_secure_tls_session_send(tls_session, packet_ptr, wait_option);
114
115 /* Return completion status. */
116 return(status);
117 }
118
119
