AppPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / AppPkg / Applications / Sockets / RawIp4Tx / RawIp4Tx.c

/** @file\r
  Raw IP4 transmit application\r
\r
  Copyright (c) 2011-2012, Intel Corporation. All rights reserved.\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "RawIp4Tx.h"\r
\r
UINT8 mBuffer[1024];\r
\r
/**\r
  Transmit raw IP4 packets to the remote system.\r
\r
  @param [in] ArgC        Argument count\r
  @param [in] ArgV        Argument value array\r
\r
  @retval 0               Successfully operation\r
 **/\r
\r
int\r
RawIp4Tx (\r
  IN int ArgC,\r
  IN char **ArgV\r
  )\r
{\r
  UINT32 BytesSent;\r
  ssize_t BytesTransmitted;\r
  struct sockaddr_in LocalPort;\r
  UINT32 RemoteAddress[4];\r
  struct sockaddr_in RemotePort;\r
  int RetVal;\r
  UINT32 TotalSent;\r
  SOCKET s;\r
\r
  //\r
  //  Create the socket\r
  //\r
  s = socket ( AF_INET, SOCK_RAW, RAW_PROTOCOL );\r
  if ( -1 == s ) {\r
    RetVal = GET_ERRNO;\r
    printf ( "ERROR - socket error, errno: %d\r\n", RetVal );\r
  }\r
  else {\r
    //\r
    //  Use for/break; instead of goto\r
    //\r
    for ( ; ; ) {\r
      //\r
      //  Validate the arguments\r
      //\r
      if (( 2 > ArgC )\r
        || ( 4 != sscanf ( ArgV[1],\r
                           "%d.%d.%d.%d",\r
                           &RemoteAddress[0],\r
                           &RemoteAddress[1],\r
                           &RemoteAddress[2],\r
                           &RemoteAddress[3]))\r
          || ( 224 < RemoteAddress[0])\r
          || ( 255 < RemoteAddress[1])\r
          || ( 255 < RemoteAddress[2])\r
          || ( 255 < RemoteAddress[3])\r
          || (( 0 == RemoteAddress[0])\r
              && ( 0 == RemoteAddress[1])\r
              && ( 0 == RemoteAddress[2])\r
              && ( 0 == RemoteAddress[3]))) {\r
        printf ( "%s  <remote IP address>\r\n", ArgV[0]);\r
        RetVal = EINVAL;\r
        break;\r
      }\r
\r
      //\r
      //  Bind the socket to a local port\r
      //\r
      memset ( &LocalPort, 0, sizeof ( LocalPort ));\r
      SIN_LEN ( LocalPort ) = sizeof ( LocalPort );\r
      SIN_FAMILY ( LocalPort ) = AF_INET;\r
      SIN_ADDR ( LocalPort ) = 0;\r
      SIN_PORT ( LocalPort ) = 0;\r
      RetVal = bind ( s,\r
                      (struct sockaddr *)&LocalPort,\r
                      sizeof ( LocalPort ));\r
      if ( -1 == RetVal ) {\r
        RetVal = GET_ERRNO;\r
        printf ( "ERROR - bind error, errno: %d\r\n", RetVal );\r
        break;\r
      }\r
\r
      //\r
      //  Specify the remote port\r
      //\r
      memset ( &RemotePort, 0, sizeof ( RemotePort ));\r
      SIN_LEN ( RemotePort ) = sizeof ( RemotePort );\r
      SIN_FAMILY ( RemotePort ) = AF_INET;\r
      SIN_ADDR ( RemotePort ) = ( RemoteAddress[3] << 24 )\r
                              | ( RemoteAddress[2] << 16 )\r
                              | ( RemoteAddress[1] << 8 )\r
                              | RemoteAddress[0];\r
      SIN_PORT ( RemotePort ) = 0;\r
\r
      //\r
      //  Initialize the messages\r
      //\r
      memset ( &mBuffer[0], 0, sizeof ( mBuffer ));\r
\r
      //\r
      //  Send the data before the out-of-band message\r
      //\r
      TotalSent = 0;\r
      BytesSent = 0;\r
      do {\r
        BytesTransmitted = sendto ( s,\r
                                    &mBuffer[BytesSent],\r
                                    sizeof ( mBuffer ) - BytesSent,\r
                                    0,\r
                                    (struct sockaddr *)&RemotePort,\r
                                    sizeof ( RemotePort ));\r
        if ( -1 == BytesTransmitted ) {\r
          RetVal = GET_ERRNO;\r
          printf ( "ERROR - send before error, errno: %d\r\n", RetVal );\r
          break;\r
        }\r
        BytesSent += (UINT32)BytesTransmitted;\r
        RetVal = 0;\r
      } while ( sizeof ( mBuffer ) > BytesSent );\r
      if ( 0 != RetVal ) {\r
        break;\r
      }\r
      TotalSent += BytesSent;\r
\r
      //\r
      //  Test completed successfully\r
      //\r
      if ( 0 == RetVal ) {\r
        printf ( "Bytes sent:  %8d\r\n", TotalSent );\r
      }\r
      break;\r
    }\r
\r
    //\r
    //  Close the socket\r
    //\r
    CLOSE_SOCKET ( s );\r
  }\r
\r
  //\r
  //  Return the operation status\r
  //\r
  return RetVal;\r
}\r