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 "nx_secure_tls.h"
26
27 /* Bring in externs for caller checking code. */
28
29 NX_SECURE_CALLER_CHECKING_EXTERNS
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _nxe_secure_tls_packet_allocate PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Timothy Stapko, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function checks for errors in TLS packet allocate call. */
44 /* */
45 /* INPUT */
46 /* */
47 /* tls_session TLS control block */
48 /* pool_ptr Pool to allocate packet from */
49 /* packet_ptr Pointer to place allocated */
50 /* packet pointer */
51 /* wait_option Suspension option */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* status Completion status */
56 /* */
57 /* CALLS */
58 /* */
59 /* _nx_secure_tls_packet_allocate Actual packet allocate call. */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* Application */
64 /* */
65 /* RELEASE HISTORY */
66 /* */
67 /* DATE NAME DESCRIPTION */
68 /* */
69 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
70 /* 09-30-2020 Timothy Stapko Modified comment(s), */
71 /* resulting in version 6.1 */
72 /* */
73 /**************************************************************************/
_nxe_secure_tls_packet_allocate(NX_SECURE_TLS_SESSION * tls_session,NX_PACKET_POOL * pool_ptr,NX_PACKET ** packet_ptr,ULONG wait_option)74 UINT _nxe_secure_tls_packet_allocate(NX_SECURE_TLS_SESSION *tls_session, NX_PACKET_POOL *pool_ptr,
75 NX_PACKET **packet_ptr, ULONG wait_option)
76 {
77 UINT status;
78
79 /* Verify tls_session is valid. */
80
81 /* Make sure the session is initialized. */
82 if(tls_session -> nx_secure_tls_id != NX_SECURE_TLS_ID)
83 {
84 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
85 }
86
87 /* Verify the TCP socket valid and is connected. */
88 if (tls_session -> nx_secure_tls_tcp_socket == NX_NULL)
89 {
90 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
91 }
92
93 if ((tls_session -> nx_secure_tls_tcp_socket -> nx_tcp_socket_connect_ip.nxd_ip_version != NX_IP_VERSION_V4) &&
94 (tls_session -> nx_secure_tls_tcp_socket -> nx_tcp_socket_connect_ip.nxd_ip_version != NX_IP_VERSION_V6))
95 {
96 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
97 }
98
99 if (tls_session -> nx_secure_tls_tcp_socket -> nx_tcp_socket_state != NX_TCP_ESTABLISHED)
100 {
101 return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
102 }
103
104 /* Check for appropriate caller. */
105 NX_THREADS_ONLY_CALLER_CHECKING
106
107 status = _nx_secure_tls_packet_allocate(tls_session, pool_ptr, packet_ptr, wait_option);
108
109 return(status);
110 }
111
112
