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 /** Datagram Transport Layer Security (DTLS) */ 19 /** */ 20 /**************************************************************************/ 21 /**************************************************************************/ 22 23 #define NX_SECURE_SOURCE_CODE 24 25 26 /* Include necessary system files. */ 27 28 #include "nx_secure_dtls.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_dtls_session_receive PORTABLE C */ 39 /* 6.1 */ 40 /* AUTHOR */ 41 /* */ 42 /* Timothy Stapko, Microsoft Corporation */ 43 /* */ 44 /* DESCRIPTION */ 45 /* */ 46 /* This function checks for errors in the DTLS session receive call. */ 47 /* */ 48 /* INPUT */ 49 /* */ 50 /* dtls_session DTLS session control block */ 51 /* packet_ptr_ptr Pointer to return packet */ 52 /* wait_option Indicates how long the caller */ 53 /* should wait for the response */ 54 /* */ 55 /* OUTPUT */ 56 /* */ 57 /* status Completion status */ 58 /* */ 59 /* CALLS */ 60 /* */ 61 /* _nx_secure_dtls_session_receive Actual DTLS session receive */ 62 /* call */ 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_dtls_session_receive(NX_SECURE_DTLS_SESSION * dtls_session,NX_PACKET ** packet_ptr_ptr,ULONG wait_option)77UINT _nxe_secure_dtls_session_receive(NX_SECURE_DTLS_SESSION *dtls_session, 78 NX_PACKET **packet_ptr_ptr, ULONG wait_option) 79 { 80 #ifdef NX_SECURE_ENABLE_DTLS 81 UINT status; 82 83 if ((dtls_session == NX_NULL) || (packet_ptr_ptr == NX_NULL)) 84 { 85 return(NX_PTR_ERROR); 86 } 87 88 /* Make sure the session is initialized. */ 89 if (dtls_session->nx_secure_dtls_tls_session.nx_secure_tls_id != NX_SECURE_TLS_ID) 90 { 91 return(NX_SECURE_TLS_SESSION_UNINITIALIZED); 92 } 93 94 status = _nx_secure_dtls_session_receive(dtls_session, packet_ptr_ptr, wait_option); 95 96 /* Return completion status. */ 97 return(status); 98 #else 99 NX_PARAMETER_NOT_USED(dtls_session); 100 NX_PARAMETER_NOT_USED(packet_ptr_ptr); 101 NX_PARAMETER_NOT_USED(wait_option); 102 103 return(NX_NOT_SUPPORTED); 104 #endif /* NX_SECURE_ENABLE_DTLS */ 105 } 106 107
