1 files changed, 133 insertions, 0 deletions
diff --git a/AppPkg/Applications/Sockets/GetHostByAddr/GetHostByAddr.c b/AppPkg/Applications/Sockets/GetHostByAddr/GetHostByAddr.c
new file mode 100644
index 0000000000..2e626396ca
--- /dev/null
+++ b/AppPkg/Applications/Sockets/GetHostByAddr/GetHostByAddr.c
@@ -0,0 +1,133 @@
+/** @file
+  Translate the port number into a service name
+
+  Copyright (c) 2011, Intel Corporation
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <errno.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <string.h>
+#include <Uefi.h>
+#include <unistd.h>
+
+#include <arpa\nameser.h>
+#include <arpa\nameser_compat.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiLib.h>
+
+#include <sys/socket.h>
+
+/**
+  Translate the IP address into a host name
+
+  @param [in] Argc  The number of arguments
+  @param [in] Argv  The argument value array
+
+  @retval  0        The application exited normally.
+  @retval  Other    An error occurred.
+**/
+int
+main (
+  IN int Argc,
+  IN char **Argv
+  )
+{
+  UINTN Index;
+  UINT8 IpAddress[4];
+  struct hostent * pHost;
+  UINT8 * pIpAddress;
+  char ** ppName;
+  UINT32 RemoteAddress[4];
+
+  //
+  //  Determine if the IPv4 address is specified
+  //
+  if (( 2 != Argc )
+    || ( 4 != sscanf ( Argv[1],
+                       "%d.%d.%d.%d",
+                       &RemoteAddress[0],
+                       &RemoteAddress[1],
+                       &RemoteAddress[2],
+                       &RemoteAddress[3]))
+    || ( 255 < RemoteAddress [0])
+    || ( 255 < RemoteAddress [1])
+    || ( 255 < RemoteAddress [2])
+    || ( 255 < RemoteAddress [3])) {
+    Print ( L"%a  <IPv4 Address>\r\n", Argv[0]);
+  }
+  else {
+    //
+    //  Translate the address into a host name
+    //
+    IpAddress[0] = (UINT8)RemoteAddress[0];
+    IpAddress[1] = (UINT8)RemoteAddress[1];
+    IpAddress[2] = (UINT8)RemoteAddress[2];
+    IpAddress[3] = (UINT8)RemoteAddress[3];
+    pHost = gethostbyaddr ( &IpAddress[0], INADDRSZ, AF_INET );
+    if ( NULL == pHost ) {
+      Print ( L"ERROR - host not found, errno: %d\r\n", errno );
+    }
+    else {
+      pIpAddress = (UINT8 *)pHost->h_addr_list [ 0 ];
+      Print ( L"%d.%d.%d.%d, %a\r\n",
+              pIpAddress[0],
+              pIpAddress[1],
+              pIpAddress[2],
+              pIpAddress[3],
+              pHost->h_name );
+
+      //
+      //  Display the other addresses
+      //
+      for ( Index = 1; NULL != pHost->h_addr_list[Index]; Index++ ) {
+        pIpAddress = (UINT8 *)pHost->h_addr_list[Index];
+        Print ( L"%d.%d.%d.%d\r\n",
+                pIpAddress[0],
+                pIpAddress[1],
+                pIpAddress[2],
+                pIpAddress[3]);
+      }
+
+      //
+      //  Display the list of aliases
+      //
+      ppName = pHost->h_aliases;
+      if (( NULL == ppName ) || ( NULL == *ppName )) {
+        Print ( L"No aliases\r\n" );
+      }
+      else {
+        Print ( L"Aliases: " );
+        while ( NULL != *ppName ) {
+          //
+          //  Display the alias
+          //
+          Print ( L"%a", *ppName );
+
+          //
+          //  Set the next alias
+          //
+          ppName += 1;
+          if ( NULL != *ppName ) {
+            Print ( L", " );
+          }
+        }
+        Print ( L"\r\n" );
+      }
+    }
+  }
+
+  //
+  //  All done
+  //
+  return errno;
+}