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https://github.com/reactos/reactos.git
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33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
#include <windows.h>
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#include <stdio.h>
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#include <WinError.h>
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#include <WinDNS.h>
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#include <winsock2.h>
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#include <assert.h>
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int main( int argc, char **argv ) {
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PDNS_RECORD QueryReply, AddrResponse;
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DWORD Addr;
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assert (DnsValidateName( "||||", DnsNameDomain ) == DNS_ERROR_INVALID_NAME_CHAR);
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assert (DnsValidateName( "a.b.c", DnsNameDomainLabel ) == DNS_ERROR_INVALID_NAME);
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assert (DnsValidateName( "1234", DnsNameDomainLabel ) == ERROR_SUCCESS);
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assert (DnsValidateName( "fubar", DnsNameDomain ) == ERROR_SUCCESS);
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assert (DnsQuery ("www.reactos.com", DNS_TYPE_A, DNS_QUERY_STANDARD,
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NULL, &QueryReply, NULL) == ERROR_SUCCESS);
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AddrResponse = QueryReply;
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while( AddrResponse ) {
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if( AddrResponse->wType == DNS_TYPE_A ) {
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Addr = ntohl( AddrResponse->Data.A.IpAddress );
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printf( "www.reactos.com == %d.%d.%d.%d\n",
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(int)(Addr >> 24) & 0xff,
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(int)(Addr >> 16) & 0xff,
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(int)(Addr >> 8) & 0xff,
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(int)Addr & 0xff );
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}
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AddrResponse = AddrResponse->pNext;
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}
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DnsRecordListFree( QueryReply, DnsFreeRecordList );
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return 0;
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}
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