ReactOS 0.4.16-dev-2491-g3dc6630
utility.c
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1/*
2 * PROJECT: ReactOS nslookup utility
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: base/applications/network/nslookup/utility.c
5 * PURPOSE: Support functions for nslookup.c
6 * COPYRIGHT: Copyright 2009 Lucas Suggs <lucas.suggs@gmail.com>
7 */
8
9#include "nslookup.h"
10#include <assert.h>
11
12BOOL SendRequest( PCHAR pInBuffer,
13 ULONG InBufferLength,
14 PCHAR pOutBuffer,
15 PULONG pOutBufferLength )
16{
17 int j;
18 USHORT RequestID, ResponseID;
19 BOOL bWait;
20 SOCKET s;
21 SOCKADDR_IN RecAddr, RecAddr2, SendAddr;
22 int SendAddrLen = sizeof(SendAddr);
23
24 RtlZeroMemory( &RecAddr, sizeof(SOCKADDR_IN) );
25 RtlZeroMemory( &RecAddr2, sizeof(SOCKADDR_IN) );
26 RtlZeroMemory( &SendAddr, sizeof(SOCKADDR_IN) );
27
28 /* Pull the request ID from the buffer. */
29 RequestID = ntohs( ((PSHORT)&pInBuffer[0])[0] );
30
31 /* If D2 flags is enabled, then display D2 information. */
32 if( State.d2 ) PrintD2( pInBuffer, InBufferLength );
33
34 /* Create the sockets for both send and receive. */
35 s = socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP );
36
37 if (s == INVALID_SOCKET)
38 return FALSE;
39
40 /* Set up the structure to tell it where we are going. */
41 RecAddr.sin_family = AF_INET;
42 RecAddr.sin_port = htons( State.port );
43 RecAddr.sin_addr.s_addr = inet_addr( State.DefaultServerAddress );
44
45 /* Set up the structure to tell it what port to listen on. */
46 RecAddr2.sin_family = AF_INET;
47 RecAddr2.sin_port = htons( State.port );
48 RecAddr2.sin_addr.s_addr = htonl( INADDR_ANY );
49
50 /* Bind the receive socket. */
51 bind( s, (SOCKADDR*)&RecAddr2, sizeof(RecAddr2) );
52
53 /* Send the datagram to the DNS server. */
54 j = sendto( s,
55 pInBuffer,
56 InBufferLength,
57 0,
58 (SOCKADDR*)&RecAddr,
59 sizeof(RecAddr) );
60 if( j == SOCKET_ERROR )
61 {
62 switch( WSAGetLastError() )
63 {
64 case WSANOTINITIALISED:
65 _tprintf( _T("sendto() failed with WSANOTINITIALIZED\n") );
66 break;
67 case WSAENETDOWN:
68 _tprintf( _T("sendto() failed with WSAENETDOWN\n") );
69 break;
70 case WSAEACCES:
71 _tprintf( _T("sendto() failed with WSAEACCES\n") );
72 break;
73 case WSAEINVAL:
74 _tprintf( _T("sendto() failed with WSAEINVAL\n") );
75 break;
76 case WSAEINTR:
77 _tprintf( _T("sendto() failed with WSAEINTR\n") );
78 break;
79 case WSAEINPROGRESS:
80 _tprintf( _T("sendto() failed with WSAEINPROGRESS\n") );
81 break;
82 case WSAEFAULT:
83 _tprintf( _T("sendto() failed with WSAEFAULT\n") );
84 break;
85 case WSAENETRESET:
86 _tprintf( _T("sendto() failed with WSAENETRESET\n") );
87 break;
88 case WSAENOBUFS:
89 _tprintf( _T("sendto() failed with WSAENOBUFS\n") );
90 break;
91 case WSAENOTCONN:
92 _tprintf( _T("sendto() failed with WSAENOTCONN\n") );
93 break;
94 case WSAENOTSOCK:
95 _tprintf( _T("sendto() failed with WSAENOTSOCK\n") );
96 break;
97 case WSAEOPNOTSUPP:
98 _tprintf( _T("sendto() failed with WSAEOPNOTSUPP\n") );
99 break;
100 case WSAESHUTDOWN:
101 _tprintf( _T("sendto() failed with WSAESHUTDOWN\n") );
102 break;
103 case WSAEWOULDBLOCK:
104 _tprintf( _T("sendto() failed with WSAEWOULDBLOCK\n") );
105 break;
106 case WSAEMSGSIZE:
107 _tprintf( _T("sendto() failed with WSAEMSGSIZE\n") );
108 break;
109 case WSAEHOSTUNREACH:
110 _tprintf( _T("sendto() failed with WSAEHOSTUNREACH\n") );
111 break;
112 case WSAECONNABORTED:
113 _tprintf( _T("sendto() failed with WSAECONNABORTED\n") );
114 break;
115 case WSAECONNRESET:
116 _tprintf( _T("sendto() failed with WSAECONNRESET\n") );
117 break;
118 case WSAEADDRNOTAVAIL:
119 _tprintf( _T("sendto() failed with WSAEADDRNOTAVAIL\n") );
120 break;
121 case WSAEAFNOSUPPORT:
122 _tprintf( _T("sendto() failed with WSAEAFNOSUPPORT\n") );
123 break;
124 case WSAEDESTADDRREQ:
125 _tprintf( _T("sendto() failed with WSAEDESTADDRREQ\n") );
126 break;
127 case WSAENETUNREACH:
128 _tprintf( _T("sendto() failed with WSAENETUNREACH\n") );
129 break;
130 case WSAETIMEDOUT:
131 _tprintf( _T("sendto() failed with WSAETIMEDOUT\n") );
132 break;
133 default:
134 _tprintf( _T("sendto() failed with unknown error\n") );
135 }
136
137 closesocket( s );
138 return FALSE;
139 }
140
141 bWait = TRUE;
142
143 while( bWait )
144 {
145 /* Wait for the DNS reply. */
146 j = recvfrom( s,
147 pOutBuffer,
148 *pOutBufferLength,
149 0,
150 (SOCKADDR*)&SendAddr,
151 &SendAddrLen );
152 if( j == SOCKET_ERROR )
153 {
154 switch( WSAGetLastError() )
155 {
156 case WSANOTINITIALISED:
157 _tprintf( _T("recvfrom() failed with WSANOTINITIALIZED\n") );
158 break;
159 case WSAENETDOWN:
160 _tprintf( _T("recvfrom() failed with WSAENETDOWN\n") );
161 break;
162 case WSAEACCES:
163 _tprintf( _T("recvfrom() failed with WSAEACCES\n") );
164 break;
165 case WSAEINVAL:
166 _tprintf( _T("recvfrom() failed with WSAEINVAL\n") );
167 break;
168 case WSAEINTR:
169 _tprintf( _T("recvfrom() failed with WSAEINTR\n") );
170 break;
171 case WSAEINPROGRESS:
172 _tprintf( _T("recvfrom() failed with WSAEINPROGRESS\n") );
173 break;
174 case WSAEFAULT:
175 _tprintf( _T("recvfrom() failed with WSAEFAULT\n") );
176 break;
177 case WSAENETRESET:
178 _tprintf( _T("recvfrom() failed with WSAENETRESET\n") );
179 break;
180 case WSAENOBUFS:
181 _tprintf( _T("recvfrom() failed with WSAENOBUFS\n") );
182 break;
183 case WSAENOTCONN:
184 _tprintf( _T("recvfrom() failed with WSAENOTCONN\n") );
185 break;
186 case WSAENOTSOCK:
187 _tprintf( _T("recvfrom() failed with WSAENOTSOCK\n") );
188 break;
189 case WSAEOPNOTSUPP:
190 _tprintf( _T("recvfrom() failed with WSAEOPNOTSUPP\n") );
191 break;
192 case WSAESHUTDOWN:
193 _tprintf( _T("recvfrom() failed with WSAESHUTDOWN\n") );
194 break;
195 case WSAEWOULDBLOCK:
196 _tprintf( _T("recvfrom() failed with WSAEWOULDBLOCK\n") );
197 break;
198 case WSAEMSGSIZE:
199 _tprintf( _T("recvfrom() failed with WSAEMSGSIZE\n") );
200 break;
201 case WSAEHOSTUNREACH:
202 _tprintf( _T("recvfrom() failed with WSAEHOSTUNREACH\n") );
203 break;
204 case WSAECONNABORTED:
205 _tprintf( _T("recvfrom() failed with WSAECONNABORTED\n") );
206 break;
207 case WSAECONNRESET:
208 _tprintf( _T("recvfrom() failed with WSAECONNRESET\n") );
209 break;
210 case WSAEADDRNOTAVAIL:
211 _tprintf( _T("recvfrom() failed with WSAEADDRNOTAVAIL\n") );
212 break;
213 case WSAEAFNOSUPPORT:
214 _tprintf( _T("recvfrom() failed with WSAEAFNOSUPPORT\n") );
215 break;
216 case WSAEDESTADDRREQ:
217 _tprintf( _T("recvfrom() failed with WSAEDESTADDRREQ\n") );
218 break;
219 case WSAENETUNREACH:
220 _tprintf( _T("recvfrom() failed with WSAENETUNREACH\n") );
221 break;
222 case WSAETIMEDOUT:
223 _tprintf( _T("recvfrom() failed with WSAETIMEDOUT\n") );
224 break;
225 default:
226 _tprintf( _T("recvfrom() failed with unknown error\n") );
227 }
228
229 closesocket( s );
230 return FALSE;
231 }
232
233 ResponseID = ntohs( ((PSHORT)&pOutBuffer[0])[0] );
234
235 if( ResponseID == RequestID ) bWait = FALSE;
236 }
237
238 /* We don't need the sockets anymore. */
239 closesocket( s );
240
241 /* If debug information then display debug information. */
242 if( State.debug ) PrintDebug( pOutBuffer, j );
243
244 /* Return the real output buffer length. */
245 *pOutBufferLength = j;
246
247 return TRUE;
248}
249
250void ReverseIP( PCHAR pIP, PCHAR pReturn )
251{
252 int i;
253 int j;
254 int k = 0;
255
256 assert(pReturn != pIP);
257
258 j = strlen( pIP ) - 1;
259 i = j;
260
261 /* We have A.B.C.D
262 We will turn this into D.C.B.A and stick it in pReturn */
263
264 /* A */
265 for( ; i > 0; i -= 1 ) if( '.' == pIP[i] ) break;
266
267 if (j != i)
268 strncpy( &pReturn[k], &pIP[i + 1], (j - i) );
269 k += (j - i);
270
271 pReturn[k] = '.';
272 k += 1;
273
274 i -= 1;
275 j = i;
276
277 /* B */
278 for( ; i > 0; i -= 1 ) if( '.' == pIP[i] ) break;
279
280 if (j != i)
281 strncpy( &pReturn[k], &pIP[i + 1], (j - i) );
282 k += (j - i);
283
284 pReturn[k] = '.';
285 k += 1;
286
287 i -= 1;
288 j = i;
289
290 /* C */
291 for( ; i > 0; i -= 1 ) if( '.' == pIP[i] ) break;
292
293 if (j != i)
294 strncpy( &pReturn[k], &pIP[i + 1], (j - i) );
295 k += (j - i);
296
297 pReturn[k] = '.';
298 k += 1;
299
300 i -= 1;
301 j = i;
302
303 /* D */
304 for( ; i > 0; i -= 1 );
305
306 strncpy( &pReturn[k], &pIP[i], (j - i) + 1 );
307 k += (j - i) + 1;
308
309 pReturn[k] = '\0';
310}
311
312BOOL IsValidIP( PCHAR pInput )
313{
314 int i = 0, l = 0, b = 0, c = 1;
315
316 /* Max length of an IP, e.g. 255.255.255.255, is 15 characters. */
317 l = strlen( pInput );
318 if( l > 15 ) return FALSE;
319
320 /* 'b' is the count of the current segment. It gets reset after seeing a
321 '.'. */
322 for( ; i < l; i += 1 )
323 {
324 if( '.' == pInput[i] )
325 {
326 if( !b ) return FALSE;
327 if( b > 3 ) return FALSE;
328
329 b = 0;
330 c += 1;
331 }
332 else
333 {
334 b += 1;
335
336 if( (pInput[i] < '0') || (pInput[i] > '9') ) return FALSE;
337 }
338 }
339
340 if( b > 3 ) return FALSE;
341
342 /* 'c' is the number of segments seen. If it's less than 4, then it's not
343 a valid IP. */
344 if( c < 4 ) return FALSE;
345
346 return TRUE;
347}
348
349int ExtractName( PCHAR pBuffer, PCHAR pOutput, USHORT Offset, UCHAR Limit )
350{
351 int c = 0, d = 0, i = 0, j = 0, k = 0, l = 0, m = 0;
352
353 i = Offset;
354
355 /* If Limit == 0, then we assume "no" limit. */
356 d = Limit;
357 if( 0 == Limit ) d = 255;
358
359 while( d > 0 )
360 {
361 l = pBuffer[i] & 0xFF;
362 i += 1;
363 if( !m ) c += 1;
364
365 if( 0xC0 == l )
366 {
367 if( !m ) c += 1;
368 m = 1;
369 d += (255 - Limit);
370 i = pBuffer[i];
371 }
372 else
373 {
374 for( j = 0; j < l; j += 1 )
375 {
376 pOutput[k] = pBuffer[i];
377
378 i += 1;
379 if( !m ) c += 1;
380 k += 1;
381 d -= 1;
382 }
383
384 d -= 1;
385
386 if( !pBuffer[i] || (d < 1) ) break;
387
388 pOutput[k] = '.';
389 k += 1;
390 }
391 };
392
393 if( !m )
394 {
395 if( !Limit ) c += 1;
396 }
397
398 pOutput[k] = '\0';
399
400 return c;
401}
402
403int ExtractIP( PCHAR pBuffer, PCHAR pOutput, USHORT Offset )
404{
405 int c = 0, l = 0, i = 0, v = 0;
406
407 i = Offset;
408
409 v = (UCHAR)pBuffer[i];
410 l += 1;
411 i += 1;
412
413 sprintf( &pOutput[c], "%d.", v );
414 c += strlen( &pOutput[c] );
415
416 v = (UCHAR)pBuffer[i];
417 l += 1;
418 i += 1;
419
420 sprintf( &pOutput[c], "%d.", v );
421 c += strlen( &pOutput[c] );
422
423 v = (UCHAR)pBuffer[i];
424 l += 1;
425 i += 1;
426
427 sprintf( &pOutput[c], "%d.", v );
428 c += strlen( &pOutput[c] );
429
430 v = (UCHAR)pBuffer[i];
431 l += 1;
432 i += 1;
433
434 sprintf( &pOutput[c], "%d", v );
435 c += strlen( &pOutput[c] );
436
437 pOutput[c] = '\0';
438
439 return l;
440}
441
442void PrintD2( PCHAR pBuffer, DWORD BufferLength )
443{
444 USHORT RequestID;
445 UCHAR Header1, Header2;
446 USHORT NumQuestions, NumAnswers, NumAuthority, NumAdditional;
447 USHORT Type, Class;
448 CHAR pName[255];
449 int i = 0, k = 0;
450
451 RequestID = ntohs( ((PUSHORT)&pBuffer[i])[0] );
452 i += 2;
453
454 Header1 = pBuffer[i];
455 i += 1;
456
457 Header2 = pBuffer[i];
458 i += 1;
459
460 NumQuestions = ntohs( ((PSHORT)&pBuffer[i])[0] );
461 i += 2;
462
463 NumAnswers = ntohs( ((PSHORT)&pBuffer[i])[0] );
464 i += 2;
465
466 NumAuthority = ntohs( ((PUSHORT)&pBuffer[i])[0] );
467 i += 2;
468
469 NumAdditional = ntohs( ((PUSHORT)&pBuffer[i])[0] );
470 i += 2;
471
472 _tprintf( _T("------------\n") );
473 _tprintf( _T("SendRequest(), len %d\n"), (int)BufferLength );
474 _tprintf( _T(" HEADER:\n") );
475 _tprintf( _T(" opcode = %s, id = %d, rcode = %s\n"),
476 OpcodeIDtoOpcodeName( (Header1 & 0x78) >> 3 ),
477 (int)RequestID,
478 RCodeIDtoRCodeName( Header2 & 0x0F ) );
479
480 _tprintf( _T(" header flags: query") );
481 if( Header1 & 0x01 ) _tprintf( _T(", want recursion") );
482 _tprintf( _T("\n") );
483
484 _tprintf( _T(" questions = %d, answers = %d,"
485 " authority records = %d, additional = %d\n\n"),
486 (int)NumQuestions,
487 (int)NumAnswers,
488 (int)NumAuthority,
489 (int)NumAdditional );
490
491 if( NumQuestions )
492 {
493 _tprintf( _T(" QUESTIONS:\n") );
494
495 for( k = 0; k < NumQuestions; k += 1 )
496 {
497 i += ExtractName( pBuffer, pName, i, 0 );
498
499 _tprintf( _T(" %s"), pName );
500
501 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
502 i += 2;
503
504 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
505 i += 2;
506
507 _tprintf( _T(", type = %s, class = %s\n"),
508 TypeIDtoTypeName( Type ),
509 ClassIDtoClassName( Class ) );
510 }
511 }
512
513 _tprintf( _T("\n------------\n") );
514}
515
516void PrintDebug( PCHAR pBuffer, DWORD BufferLength )
517{
518 USHORT ResponseID;
519 UCHAR Header1, Header2;
520 USHORT NumQuestions, NumAnswers, NumAuthority, NumAdditional;
521 USHORT Type, Class;
522 ULONG TTL;
523 CHAR pName[255];
524 int d = 0, i = 0, k = 0;
525
526 ResponseID = ntohs( ((PUSHORT)&pBuffer[i])[0] );
527 i += 2;
528
529 Header1 = pBuffer[i];
530 i += 1;
531
532 Header2 = pBuffer[i];
533 i += 1;
534
535 NumQuestions = ntohs( ((PSHORT)&pBuffer[i])[0] );
536 i += 2;
537
538 NumAnswers = ntohs( ((PSHORT)&pBuffer[i])[0] );
539 i += 2;
540
541 NumAuthority = ntohs( ((PUSHORT)&pBuffer[i])[0] );
542 i += 2;
543
544 NumAdditional = ntohs( ((PUSHORT)&pBuffer[i])[0] );
545 i += 2;
546
547 _tprintf( _T("------------\n") );
548 _tprintf( _T("Got answer (%d bytes):\n"), (int)BufferLength );
549 _tprintf( _T(" HEADER:\n") );
550 _tprintf( _T(" opcode = %s, id = %d, rcode = %s\n"),
551 OpcodeIDtoOpcodeName( (Header1 & 0x78) >> 3 ),
552 (int)ResponseID,
553 RCodeIDtoRCodeName( Header2 & 0x0F ) );
554
555 _tprintf( _T(" header flags: response") );
556 if( Header1 & 0x01 ) _tprintf( _T(", want recursion") );
557 if( Header2 & 0x80 ) _tprintf( _T(", recursion avail.") );
558 _tprintf( _T("\n") );
559
560 _tprintf( _T(" questions = %d, answers = %d, "
561 "authority records = %d, additional = %d\n\n"),
562 (int)NumQuestions,
563 (int)NumAnswers,
564 (int)NumAuthority,
565 (int)NumAdditional );
566
567 if( NumQuestions )
568 {
569 _tprintf( _T(" QUESTIONS:\n") );
570
571 for( k = 0; k < NumQuestions; k += 1 )
572 {
573 i += ExtractName( pBuffer, pName, i, 0 );
574
575 _tprintf( _T(" %s"), pName );
576
577 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
578 i += 2;
579
580 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
581 i += 2;
582
583 _tprintf( _T(", type = %s, class = %s\n"),
584 TypeIDtoTypeName( Type ),
585 ClassIDtoClassName( Class ) );
586 }
587 }
588
589 if( NumAnswers )
590 {
591 _tprintf( _T(" ANSWERS:\n") );
592
593 for( k = 0; k < NumAnswers; k += 1 )
594 {
595 _tprintf( _T(" -> ") );
596
597 /* Print out the name. */
598 i += ExtractName( pBuffer, pName, i, 0 );
599
600 _tprintf( _T("%s\n"), pName );
601
602 /* Print out the type, class and data length. */
603 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
604 i += 2;
605
606 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
607 i += 2;
608
609 TTL = ntohl( ((PULONG)&pBuffer[i])[0] );
610 i += 4;
611
612 d = ntohs( ((PUSHORT)&pBuffer[i])[0] );
613 i += 2;
614
615 _tprintf( _T(" type = %s, class = %s, dlen = %d\n"),
616 TypeIDtoTypeName( Type ),
617 ClassIDtoClassName( Class ),
618 d );
619
620 /* Print out the answer. */
621 if( TYPE_A == Type )
622 {
623 i += ExtractIP( pBuffer, pName, i );
624
625 _tprintf( _T(" internet address = %s\n"), pName );
626 }
627 else
628 {
629 i += ExtractName( pBuffer, pName, i, d );
630
631 _tprintf( _T(" name = %s\n"), pName );
632 }
633
634 _tprintf( _T(" ttl = %d ()\n"), (int)TTL );
635 }
636 }
637
638 if( NumAuthority )
639 {
640 _tprintf( _T(" AUTHORITY RECORDS:\n") );
641
642 for( k = 0; k < NumAuthority; k += 1 )
643 {
644 /* Print out the zone name. */
645 i += ExtractName( pBuffer, pName, i, 0 );
646
647 _tprintf( _T(" -> %s\n"), pName );
648
649 /* Print out the type, class, data length and TTL. */
650 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
651 i += 2;
652
653 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
654 i += 2;
655
656 TTL = ntohl( ((PULONG)&pBuffer[i])[0] );
657 i += 4;
658
659 d = ntohs( ((PUSHORT)&pBuffer[i])[0] );
660 i += 2;
661
662 _tprintf( _T(" type = %s, class = %s, dlen = %d\n"),
663 TypeIDtoTypeName( Type ),
664 ClassIDtoClassName( Class ),
665 d );
666
667 /* TODO: There might be more types? */
668 if( TYPE_NS == Type )
669 {
670 /* Print out the NS. */
671 i += ExtractName( pBuffer, pName, i, d );
672
673 _tprintf( _T(" nameserver = %s\n"), pName );
674
675 _tprintf( _T(" ttl = %d ()\n"), (int)TTL );
676 }
677 else if( TYPE_SOA == Type )
678 {
679 _tprintf( _T(" ttl = %d ()\n"), (int)TTL );
680
681 /* Print out the primary NS. */
682 i += ExtractName( pBuffer, pName, i, 0 );
683
684 _tprintf( _T(" primary name server = %s\n"), pName );
685
686 /* Print out the responsible mailbox. */
687 i += ExtractName( pBuffer, pName, i, 0 );
688
689 _tprintf( _T(" responsible mail addr = %s\n"), pName );
690
691 /* Print out the serial, refresh, retry, expire and default TTL. */
692 _tprintf( _T(" serial = ()\n") );
693 _tprintf( _T(" refresh = ()\n") );
694 _tprintf( _T(" retry = ()\n") );
695 _tprintf( _T(" expire = ()\n") );
696 _tprintf( _T(" default TTL = ()\n") );
697 i += 20;
698 }
699 }
700 }
701
702 if( NumAdditional )
703 {
704 _tprintf( _T(" ADDITIONAL:\n") );
705
706 for( k = 0; k < NumAdditional; k += 1 )
707 {
708 /* Print the name. */
709 i += ExtractName( pBuffer, pName, i, 0 );
710
711 _tprintf( _T(" -> %s\n"), pName );
712
713 /* Print out the type, class, data length and TTL. */
714 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
715 i += 2;
716
717 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
718 i += 2;
719
720 TTL = ntohl( ((PULONG)&pBuffer[i])[0] );
721 i += 4;
722
723 d = ntohs( ((PUSHORT)&pBuffer[i])[0] );
724 i += 2;
725
726 _tprintf( _T(" type = %s, class = %s, dlen = %d\n"),
727 TypeIDtoTypeName( Type ),
728 ClassIDtoClassName( Class ),
729 d );
730
731 /* TODO: There might be more types? */
732 if( TYPE_A == Type )
733 {
734 /* Print out the NS. */
735 i += ExtractIP( pBuffer, pName, i );
736
737 _tprintf( _T(" internet address = %s\n"), pName );
738
739 _tprintf( _T(" ttl = %d ()\n"), (int)TTL );
740 }
741 }
742 }
743
744 _tprintf( _T("\n------------\n") );
745}
746
747PCHAR OpcodeIDtoOpcodeName( UCHAR Opcode )
748{
749 switch( Opcode & 0x0F )
750 {
751 case OPCODE_QUERY:
752 return OpcodeQuery;
753
754 case OPCODE_IQUERY:
755 return OpcodeIQuery;
756
757 case OPCODE_STATUS:
758 return OpcodeStatus;
759
760 default:
761 return OpcodeReserved;
762 }
763}
764
765PCHAR RCodeIDtoRCodeName( UCHAR RCode )
766{
767 switch( RCode & 0x0F )
768 {
769 case RCODE_NOERROR:
770 return RCodeNOERROR;
771
772 case RCODE_FORMERR:
773 return RCodeFORMERR;
774
775 case RCODE_FAILURE:
776 return RCodeFAILURE;
777
778 case RCODE_NXDOMAIN:
779 return RCodeNXDOMAIN;
780
781 case RCODE_NOTIMP:
782 return RCodeNOTIMP;
783
784 case RCODE_REFUSED:
785 return RCodeREFUSED;
786
787 default:
788 return RCodeReserved;
789 }
790}
791
792PCHAR TypeIDtoTypeName( USHORT TypeID )
793{
794 switch( TypeID )
795 {
796 case TYPE_A:
797 return TypeA;
798
799 case TYPE_NS:
800 return TypeNS;
801
802 case TYPE_CNAME:
803 return TypeCNAME;
804
805 case TYPE_SOA:
806 return TypeSOA;
807
808 case TYPE_WKS:
809 return TypeSRV;
810
811 case TYPE_PTR:
812 return TypePTR;
813
814 case TYPE_MX:
815 return TypeMX;
816
817 case TYPE_ANY:
818 return TypeAny;
819
820 default:
821 return "Unknown";
822 }
823}
824
825USHORT TypeNametoTypeID( PCHAR TypeName )
826{
827 if( !strncmp( TypeName, TypeA, strlen( TypeA ) ) ) return TYPE_A;
828 if( !strncmp( TypeName, TypeNS, strlen( TypeNS ) ) ) return TYPE_NS;
829 if( !strncmp( TypeName, TypeCNAME, strlen( TypeCNAME ) ) ) return TYPE_CNAME;
830 if( !strncmp( TypeName, TypeSOA, strlen( TypeSOA ) ) ) return TYPE_SOA;
831 if( !strncmp( TypeName, TypeSRV, strlen( TypeSRV ) ) ) return TYPE_WKS;
832 if( !strncmp( TypeName, TypePTR, strlen( TypePTR ) ) ) return TYPE_PTR;
833 if( !strncmp( TypeName, TypeMX, strlen( TypeMX ) ) ) return TYPE_MX;
834 if( !strncmp( TypeName, TypeAny, strlen( TypeAny ) ) ) return TYPE_ANY;
835
836 return 0;
837}
838
839PCHAR ClassIDtoClassName( USHORT ClassID )
840{
841 switch( ClassID )
842 {
843 case CLASS_IN:
844 return ClassIN;
845
846 case CLASS_ANY:
847 return ClassAny;
848
849 default:
850 return "Unknown";
851 }
852}
853
854USHORT ClassNametoClassID( PCHAR ClassName )
855{
856 if( !strncmp( ClassName, ClassIN, strlen( ClassIN ) ) ) return CLASS_IN;
857 if( !strncmp( ClassName, ClassAny, strlen( ClassAny ) ) ) return CLASS_ANY;
858
859 return 0;
860}
Type
Type
Definition: Type.h:7
inet_addr
ULONG WSAAPI inet_addr(IN CONST CHAR FAR *cp)
Definition: addrconv.c:71
ClassNametoClassID
USHORT ClassNametoClassID(PCHAR ClassName)
Definition: utility.c:854
TypeIDtoTypeName
PCHAR TypeIDtoTypeName(USHORT TypeID)
Definition: utility.c:792
ExtractIP
int ExtractIP(PCHAR pBuffer, PCHAR pOutput, USHORT Offset)
Definition: utility.c:403
SendRequest
BOOL SendRequest(PCHAR pInBuffer, ULONG InBufferLength, PCHAR pOutBuffer, PULONG pOutBufferLength)
Definition: utility.c:12
RCodeIDtoRCodeName
PCHAR RCodeIDtoRCodeName(UCHAR RCode)
Definition: utility.c:765
IsValidIP
BOOL IsValidIP(PCHAR pInput)
Definition: utility.c:312
ReverseIP
void ReverseIP(PCHAR pIP, PCHAR pReturn)
Definition: utility.c:250
OpcodeIDtoOpcodeName
PCHAR OpcodeIDtoOpcodeName(UCHAR Opcode)
Definition: utility.c:747
PrintDebug
void PrintDebug(PCHAR pBuffer, DWORD BufferLength)
Definition: utility.c:516
ExtractName
int ExtractName(PCHAR pBuffer, PCHAR pOutput, USHORT Offset, UCHAR Limit)
Definition: utility.c:349
TypeNametoTypeID
USHORT TypeNametoTypeID(PCHAR TypeName)
Definition: utility.c:825
ClassIDtoClassName
PCHAR ClassIDtoClassName(USHORT ClassID)
Definition: utility.c:839
PrintD2
void PrintD2(PCHAR pBuffer, DWORD BufferLength)
Definition: utility.c:442
l
r l[0]
Definition: byte_order.h:168
TRUE
#define TRUE
Definition: types.h:120
FALSE
#define FALSE
Definition: types.h:117
assert
#define assert(_expr)
Definition: assert.h:32
strlen
_ACRTIMP size_t __cdecl strlen(const char *)
Definition: string.c:1592
strncmp
_ACRTIMP int __cdecl strncmp(const char *, const char *, size_t)
Definition: string.c:3330
recvfrom
INT WSAAPI recvfrom(IN SOCKET s, OUT CHAR FAR *buf, IN INT len, IN INT flags, OUT LPSOCKADDR from, IN OUT INT FAR *fromlen)
Definition: recv.c:87
sendto
INT WSAAPI sendto(IN SOCKET s, IN CONST CHAR FAR *buf, IN INT len, IN INT flags, IN CONST struct sockaddr *to, IN INT tolen)
Definition: send.c:82
IPPROTO_UDP
#define IPPROTO_UDP
Definition: ip.h:198
AF_INET
#define AF_INET
Definition: tcpip.h:117
BOOL
unsigned int BOOL
Definition: ntddk_ex.h:94
DWORD
unsigned long DWORD
Definition: ntddk_ex.h:95
TYPE_A
#define TYPE_A
Definition: ftp_var.h:36
v
const GLdouble * v
Definition: gl.h:2040
s
GLdouble s
Definition: gl.h:2039
c
const GLubyte * c
Definition: glext.h:8905
b
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
m
const GLfloat * m
Definition: glext.h:10848
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
j
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
Opcode
_In_ PVOID _In_ ULONG Opcode
Definition: hubbusif.h:331
_tprintf
#define _tprintf
Definition: tchar.h:506
d
#define d
Definition: ke_i.h:81
c
#define c
Definition: ke_i.h:80
INADDR_ANY
#define INADDR_ANY
Definition: inet.h:80
htons
#define htons(x)
Definition: module.h:215
ntohl
#define ntohl(x)
Definition: module.h:205
ntohs
#define ntohs(x)
Definition: module.h:210
htonl
#define htonl(x)
Definition: module.h:214
sprintf
#define sprintf
Definition: sprintf.c:45
pName
static LPSTR pName
Definition: security.c:116
k
int k
Definition: mpi.c:3369
closesocket
#define closesocket
Definition: ncftp.h:477
RequestID
ULONG RequestID
Definition: nslookup.c:16
TYPE_PTR
#define TYPE_PTR
Definition: nslookup.h:29
TypeMX
#define TypeMX
Definition: nslookup.h:18
TYPE_WKS
#define TYPE_WKS
Definition: nslookup.h:28
RCODE_NOTIMP
#define RCODE_NOTIMP
Definition: nslookup.h:52
OpcodeQuery
#define OpcodeQuery
Definition: nslookup.h:43
TYPE_SOA
#define TYPE_SOA
Definition: nslookup.h:27
RCodeNOTIMP
#define RCodeNOTIMP
Definition: nslookup.h:59
RCODE_FAILURE
#define RCODE_FAILURE
Definition: nslookup.h:50
RCODE_FORMERR
#define RCODE_FORMERR
Definition: nslookup.h:49
TypePTR
#define TypePTR
Definition: nslookup.h:20
CLASS_IN
#define CLASS_IN
Definition: nslookup.h:36
ClassAny
#define ClassAny
Definition: nslookup.h:34
RCodeReserved
#define RCodeReserved
Definition: nslookup.h:61
OpcodeReserved
#define OpcodeReserved
Definition: nslookup.h:46
RCodeNOERROR
#define RCodeNOERROR
Definition: nslookup.h:55
TypeSRV
#define TypeSRV
Definition: nslookup.h:22
TypeNS
#define TypeNS
Definition: nslookup.h:19
RCODE_NOERROR
#define RCODE_NOERROR
Definition: nslookup.h:48
TypeAny
#define TypeAny
Definition: nslookup.h:16
RCodeREFUSED
#define RCodeREFUSED
Definition: nslookup.h:60
RCODE_REFUSED
#define RCODE_REFUSED
Definition: nslookup.h:53
TYPE_CNAME
#define TYPE_CNAME
Definition: nslookup.h:26
RCodeFORMERR
#define RCodeFORMERR
Definition: nslookup.h:56
TYPE_NS
#define TYPE_NS
Definition: nslookup.h:25
OPCODE_STATUS
#define OPCODE_STATUS
Definition: nslookup.h:41
OpcodeStatus
#define OpcodeStatus
Definition: nslookup.h:45
TYPE_ANY
#define TYPE_ANY
Definition: nslookup.h:31
OpcodeIQuery
#define OpcodeIQuery
Definition: nslookup.h:44
TypeCNAME
#define TypeCNAME
Definition: nslookup.h:17
CLASS_ANY
#define CLASS_ANY
Definition: nslookup.h:37
TypeA
#define TypeA
Definition: nslookup.h:13
OPCODE_QUERY
#define OPCODE_QUERY
Definition: nslookup.h:39
ClassIN
#define ClassIN
Definition: nslookup.h:33
TYPE_MX
#define TYPE_MX
Definition: nslookup.h:30
RCodeNXDOMAIN
#define RCodeNXDOMAIN
Definition: nslookup.h:58
OPCODE_IQUERY
#define OPCODE_IQUERY
Definition: nslookup.h:40
RCodeFAILURE
#define RCodeFAILURE
Definition: nslookup.h:57
TypeSOA
#define TypeSOA
Definition: nslookup.h:21
RCODE_NXDOMAIN
#define RCODE_NXDOMAIN
Definition: nslookup.h:51
Offset
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
USHORT
unsigned short USHORT
Definition: pedump.c:61
pBuffer
PVOID pBuffer
Definition: rdesktop-core-tester.cpp:188
strncpy
strncpy
Definition: string.h:335
bind
INT WSAAPI bind(IN SOCKET s, IN CONST struct sockaddr *name, IN INT namelen)
Definition: socklife.c:36
sockaddr_in
Definition: winsock.h:503
sockaddr_in::sin_addr
struct in_addr sin_addr
Definition: winsock.h:506
sockaddr_in::sin_family
short sin_family
Definition: winsock.h:504
sockaddr_in::sin_port
u_short sin_port
Definition: winsock.h:505
PULONG
uint32_t * PULONG
Definition: typedefs.h:59
PSHORT
int16_t * PSHORT
Definition: typedefs.h:55
PUSHORT
uint16_t * PUSHORT
Definition: typedefs.h:56
RtlZeroMemory
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
ULONG
uint32_t ULONG
Definition: typedefs.h:59
PCHAR
char * PCHAR
Definition: typedefs.h:51
_T
#define _T(x)
Definition: vfdio.h:22
BufferLength
_Must_inspect_result_ _In_ WDFDEVICE _In_ DEVICE_REGISTRY_PROPERTY _In_ ULONG BufferLength
Definition: wdfdevice.h:3777
WSAEADDRNOTAVAIL
#define WSAEADDRNOTAVAIL
Definition: winerror.h:2865
WSAEOPNOTSUPP
#define WSAEOPNOTSUPP
Definition: winerror.h:2861
WSAEHOSTUNREACH
#define WSAEHOSTUNREACH
Definition: winerror.h:2881
WSANOTINITIALISED
#define WSANOTINITIALISED
Definition: winerror.h:2894
WSAEWOULDBLOCK
#define WSAEWOULDBLOCK
Definition: winerror.h:2851
WSAEINVAL
#define WSAEINVAL
Definition: winerror.h:2845
WSAENOTSOCK
#define WSAENOTSOCK
Definition: winerror.h:2854
WSAECONNABORTED
#define WSAECONNABORTED
Definition: winerror.h:2869
WSAENETDOWN
#define WSAENETDOWN
Definition: winerror.h:2866
WSAENOBUFS
#define WSAENOBUFS
Definition: winerror.h:2871
WSAETIMEDOUT
#define WSAETIMEDOUT
Definition: winerror.h:2876
WSAEMSGSIZE
#define WSAEMSGSIZE
Definition: winerror.h:2856
WSAECONNRESET
#define WSAECONNRESET
Definition: winerror.h:2870
WSAEACCES
#define WSAEACCES
Definition: winerror.h:2843
WSAEDESTADDRREQ
#define WSAEDESTADDRREQ
Definition: winerror.h:2855
WSAESHUTDOWN
#define WSAESHUTDOWN
Definition: winerror.h:2874
WSAENETUNREACH
#define WSAENETUNREACH
Definition: winerror.h:2867
WSAEAFNOSUPPORT
#define WSAEAFNOSUPPORT
Definition: winerror.h:2863
WSAENOTCONN
#define WSAENOTCONN
Definition: winerror.h:2873
WSAEINPROGRESS
#define WSAEINPROGRESS
Definition: winerror.h:2852
WSAENETRESET
#define WSAENETRESET
Definition: winerror.h:2868
WSAEFAULT
#define WSAEFAULT
Definition: winerror.h:2844
WSAEINTR
#define WSAEINTR
Definition: winerror.h:2841
WSAGetLastError
int PASCAL FAR WSAGetLastError(void)
Definition: dllmain.c:131
INVALID_SOCKET
#define INVALID_SOCKET
Definition: winsock.h:326
SOCK_DGRAM
#define SOCK_DGRAM
Definition: winsock.h:330
SOCKET
UINT_PTR SOCKET
Definition: winsock.h:41
SOCKET_ERROR
#define SOCKET_ERROR
Definition: winsock.h:327
Limit
_In_ LONG _In_ LONG Limit
Definition: kefuncs.h:304
UCHAR
unsigned char UCHAR
Definition: xmlstorage.h:181
CHAR
char CHAR
Definition: xmlstorage.h:175