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 #include "nx_secure_tls.h"
25
26
27 /**************************************************************************/
28 /* */
29 /* FUNCTION RELEASE */
30 /* */
31 /* _nx_secure_tls_send_hellorequest PORTABLE C */
32 /* 6.1 */
33 /* AUTHOR */
34 /* */
35 /* Timothy Stapko, Microsoft Corporation */
36 /* */
37 /* DESCRIPTION */
38 /* */
39 /* This function generates a HelloRequest message, which is used by a */
40 /* TLS server to indicate to the remote TLS client host that it wishes */
41 /* to perform a re-negotiation handshake. The client should respond */
42 /* with a ClientHello as long as the active TLS session is valid. */
43 /* */
44 /* INPUT */
45 /* */
46 /* tls_session TLS control block */
47 /* send_packet Packet used to send message */
48 /* */
49 /* OUTPUT */
50 /* */
51 /* status Completion status */
52 /* */
53 /* CALLS */
54 /* */
55 /* None */
56 /* */
57 /* CALLED BY */
58 /* */
59 /* _nx_secure_tls_session_renegotiate Renegotiate TLS session */
60 /* */
61 /* RELEASE HISTORY */
62 /* */
63 /* DATE NAME DESCRIPTION */
64 /* */
65 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
66 /* 09-30-2020 Timothy Stapko Modified comment(s), */
67 /* fixed renegotiation bug, */
68 /* resulting in version 6.1 */
69 /* */
70 /**************************************************************************/
71 #ifndef NX_SECURE_TLS_DISABLE_SECURE_RENEGOTIATION
_nx_secure_tls_send_hellorequest(NX_SECURE_TLS_SESSION * tls_session,NX_PACKET * send_packet)72 UINT _nx_secure_tls_send_hellorequest(NX_SECURE_TLS_SESSION *tls_session, NX_PACKET *send_packet)
73 {
74 NX_PARAMETER_NOT_USED(tls_session);
75 NX_PARAMETER_NOT_USED(send_packet);
76
77 #ifndef NX_SECURE_TLS_SERVER_DISABLED
78 /* Indicate that we have initiated a renegotiation by sending a HelloRequest to the remote client. */
79 tls_session -> nx_secure_tls_server_state = NX_SECURE_TLS_SERVER_STATE_HELLO_REQUEST;
80 #endif
81
82 return(NX_SECURE_TLS_SUCCESS);
83 }
84 #endif /* NX_SECURE_TLS_DISABLE_SECURE_RENEGOTIATION */
85