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101 lines
2.5 KiB
101 lines
2.5 KiB
#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <dnsapi.h>
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_cdecl
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main(int argc, char **argv)
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{
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DWORD Status = NO_ERROR;
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PDNS_RECORD pDNSRecord = NULL;
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WCHAR usName[MAX_PATH];
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LPSTR lpTemp = NULL, lpAddress = NULL;
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BYTE Part1, Part2, Part3, Part4;
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LONG cch;
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if ( argc != 3 )
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{
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printf( "\nUsage: dnsrem <DNS Name> <IP Address>\n" );
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printf( "\nWhere:\n" );
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printf( " DNS Name - Server_X.dbsd-test.microsoft.com\n" );
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printf( " IP Address - 121.55.54.121\n" );
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return(-1);
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}
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cch = MultiByteToWideChar(
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CP_ACP,
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0L,
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argv[1],
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-1,
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usName,
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MAX_PATH
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);
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if (!cch) {
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Status = GetLastError();
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return (Status);
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}
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lpAddress = argv[2];
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lpTemp = strtok( lpAddress, "." );
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Part1 = (BYTE) atoi( lpTemp );
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lpTemp = strtok( NULL, "." );
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Part2 = (BYTE) atoi( lpTemp );
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lpTemp = strtok( NULL, "." );
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Part3 = (BYTE) atoi( lpTemp );
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lpTemp = strtok( NULL, "." );
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Part4 = (BYTE) atoi( lpTemp );
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printf( "\nRemoving DNS record with:\n" );
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printf( "Name: %S\n", usName );
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printf( "Address: %d.%d.%d.%d\n", Part1, Part2, Part3, Part4 );
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pDNSRecord = (PDNS_RECORD) LocalAlloc( LPTR, sizeof( DNS_RECORD ) );
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if ( !pDNSRecord )
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{
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printf( "LocalAlloc( sizeof( DNS_RECORD ) ) call failed.\n" );
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return(-1);
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}
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//
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// Prepare a DNS RRSet with a new A record to remove ...
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//
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pDNSRecord->pNext = NULL;
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pDNSRecord->nameOwner = (DNS_NAME) usName;
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pDNSRecord->wType = DNS_TYPE_A;
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pDNSRecord->wDataLength = sizeof( DNS_A_DATA );
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// pDNSRecord->wReserved = 0;
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// pDNSRecord->Flags.W = 0;
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// pDNSRecord->dwTtl = 0;
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((BYTE *) &pDNSRecord->Data.A.ipAddress)[0] = Part1;
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((BYTE *) &pDNSRecord->Data.A.ipAddress)[1] = Part2;
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((BYTE *) &pDNSRecord->Data.A.ipAddress)[2] = Part3;
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((BYTE *) &pDNSRecord->Data.A.ipAddress)[3] = Part4;
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printf( "DnsRemoveRRSet( pDNSRecord ) ...\n" );
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Status = DnsRemoveRRSet( pDNSRecord, NULL );
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LocalFree( pDNSRecord );
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if ( Status )
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{
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printf( "DnsRemoveRRSet call failed with error: 0x%.8X\n",
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Status );
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return(-1);
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}
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printf( "DnsRemoveRRSet call succeeded!\n" );
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return(0);
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}
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