mirror of https://github.com/acidanthera/audk.git
158 lines
4.3 KiB
C
158 lines
4.3 KiB
C
/** @file
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Raw IP4 transmit application
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Copyright (c) 2011, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "RawIp4Tx.h"
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UINT8 mBuffer[1024];
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/**
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Transmit raw IP4 packets to the remote system.
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@param [in] ArgC Argument count
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@param [in] ArgV Argument value array
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@retval 0 Successfully operation
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**/
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int
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RawIp4Tx (
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IN int ArgC,
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IN char **ArgV
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)
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{
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UINT32 BytesSent;
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ssize_t BytesTransmitted;
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struct sockaddr_in LocalPort;
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UINT32 RemoteAddress[4];
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struct sockaddr_in RemotePort;
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int RetVal;
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UINT32 TotalSent;
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SOCKET s;
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//
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// Create the socket
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//
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s = socket ( AF_INET, SOCK_RAW, RAW_PROTOCOL );
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if ( -1 == s ) {
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RetVal = GET_ERRNO;
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printf ( "ERROR - socket error, errno: %d\r\n", RetVal );
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}
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else {
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//
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// Use for/break; instead of goto
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//
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for ( ; ; ) {
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//
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// Validate the arguments
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//
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if (( 2 > ArgC )
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|| ( 4 != sscanf ( ArgV[1],
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"%d.%d.%d.%d",
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&RemoteAddress[0],
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&RemoteAddress[1],
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&RemoteAddress[2],
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&RemoteAddress[3]))
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|| ( 224 < RemoteAddress[0])
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|| ( 255 < RemoteAddress[1])
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|| ( 255 < RemoteAddress[2])
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|| ( 255 < RemoteAddress[3])
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|| (( 0 == RemoteAddress[0])
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&& ( 0 == RemoteAddress[1])
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&& ( 0 == RemoteAddress[2])
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&& ( 0 == RemoteAddress[3]))) {
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printf ( "%s <remote IP address>\r\n", ArgV[0]);
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RetVal = EINVAL;
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break;
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}
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//
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// Bind the socket to a local port
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//
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memset ( &LocalPort, 0, sizeof ( LocalPort ));
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SIN_LEN ( LocalPort ) = sizeof ( LocalPort );
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SIN_FAMILY ( LocalPort ) = AF_INET;
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SIN_ADDR ( LocalPort ) = 0;
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SIN_PORT ( LocalPort ) = 0;
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RetVal = bind ( s,
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(struct sockaddr *)&LocalPort,
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sizeof ( LocalPort ));
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if ( -1 == RetVal ) {
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RetVal = GET_ERRNO;
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printf ( "ERROR - bind error, errno: %d\r\n", RetVal );
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break;
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}
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//
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// Specify the remote port
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//
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memset ( &RemotePort, 0, sizeof ( RemotePort ));
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SIN_LEN ( RemotePort ) = sizeof ( RemotePort );
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SIN_FAMILY ( RemotePort ) = AF_INET;
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SIN_ADDR ( RemotePort ) = ( RemoteAddress[3] << 24 )
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| ( RemoteAddress[2] << 16 )
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| ( RemoteAddress[1] << 8 )
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| RemoteAddress[0];
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SIN_PORT ( RemotePort ) = 0;
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//
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// Initialize the messages
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//
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memset ( &mBuffer[0], 0, sizeof ( mBuffer ));
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//
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// Send the data before the out-of-band message
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//
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TotalSent = 0;
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BytesSent = 0;
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do {
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BytesTransmitted = sendto ( s,
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&mBuffer[BytesSent],
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sizeof ( mBuffer ) - BytesSent,
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0,
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(struct sockaddr *)&RemotePort,
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sizeof ( RemotePort ));
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if ( -1 == BytesTransmitted ) {
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RetVal = GET_ERRNO;
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printf ( "ERROR - send before error, errno: %d\r\n", RetVal );
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break;
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}
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BytesSent += (UINT32)BytesTransmitted;
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RetVal = 0;
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} while ( sizeof ( mBuffer ) > BytesSent );
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if ( 0 != RetVal ) {
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break;
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}
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TotalSent += BytesSent;
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//
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// Test completed successfully
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//
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if ( 0 == RetVal ) {
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printf ( "Bytes sent: %8d\r\n", TotalSent );
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}
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break;
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}
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//
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// Close the socket
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//
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CLOSE_SOCKET ( s );
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}
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//
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// Return the operation status
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//
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return RetVal;
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}
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