ReactOS 0.4.16-dev-257-g6aa11ac
utility.c File Reference
#include "nslookup.h"
Include dependency graph for utility.c:

Go to the source code of this file.

Functions

BOOL SendRequest (PCHAR pInBuffer, ULONG InBufferLength, PCHAR pOutBuffer, PULONG pOutBufferLength)
 
void ReverseIP (PCHAR pIP, PCHAR pReturn)
 
BOOL IsValidIP (PCHAR pInput)
 
int ExtractName (PCHAR pBuffer, PCHAR pOutput, USHORT Offset, UCHAR Limit)
 
int ExtractIP (PCHAR pBuffer, PCHAR pOutput, USHORT Offset)
 
void PrintD2 (PCHAR pBuffer, DWORD BufferLength)
 
void PrintDebug (PCHAR pBuffer, DWORD BufferLength)
 
PCHAR OpcodeIDtoOpcodeName (UCHAR Opcode)
 
PCHAR RCodeIDtoRCodeName (UCHAR RCode)
 
PCHAR TypeIDtoTypeName (USHORT TypeID)
 
USHORT TypeNametoTypeID (PCHAR TypeName)
 
PCHAR ClassIDtoClassName (USHORT ClassID)
 
USHORT ClassNametoClassID (PCHAR ClassName)
 

Function Documentation

◆ ClassIDtoClassName()

PCHAR ClassIDtoClassName ( USHORT  ClassID)

Definition at line 833 of file utility.c.

834{
835 switch( ClassID )
836 {
837 case CLASS_IN:
838 return ClassIN;
839
840 case CLASS_ANY:
841 return ClassAny;
842
843 default:
844 return "Unknown";
845 }
846}
#define CLASS_IN
Definition: nslookup.h:36
#define ClassAny
Definition: nslookup.h:34
#define CLASS_ANY
Definition: nslookup.h:37
#define ClassIN
Definition: nslookup.h:33

Referenced by PrintD2(), and PrintDebug().

◆ ClassNametoClassID()

USHORT ClassNametoClassID ( PCHAR  ClassName)

Definition at line 848 of file utility.c.

849{
850 if( !strncmp( ClassName, ClassIN, strlen( ClassIN ) ) ) return CLASS_IN;
851 if( !strncmp( ClassName, ClassAny, strlen( ClassAny ) ) ) return CLASS_ANY;
852
853 return 0;
854}
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
int strncmp(const char *String1, const char *String2, ACPI_SIZE Count)
Definition: utclib.c:534

Referenced by PerformLookup().

◆ ExtractIP()

int ExtractIP ( PCHAR  pBuffer,
PCHAR  pOutput,
USHORT  Offset 
)

Definition at line 397 of file utility.c.

398{
399 int c = 0, l = 0, i = 0, v = 0;
400
401 i = Offset;
402
403 v = (UCHAR)pBuffer[i];
404 l += 1;
405 i += 1;
406
407 sprintf( &pOutput[c], "%d.", v );
408 c += strlen( &pOutput[c] );
409
410 v = (UCHAR)pBuffer[i];
411 l += 1;
412 i += 1;
413
414 sprintf( &pOutput[c], "%d.", v );
415 c += strlen( &pOutput[c] );
416
417 v = (UCHAR)pBuffer[i];
418 l += 1;
419 i += 1;
420
421 sprintf( &pOutput[c], "%d.", v );
422 c += strlen( &pOutput[c] );
423
424 v = (UCHAR)pBuffer[i];
425 l += 1;
426 i += 1;
427
428 sprintf( &pOutput[c], "%d", v );
429 c += strlen( &pOutput[c] );
430
431 pOutput[c] = '\0';
432
433 return l;
434}
r l[0]
Definition: byte_order.h:168
const GLdouble * v
Definition: gl.h:2040
const GLubyte * c
Definition: glext.h:8905
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
#define c
Definition: ke_i.h:80
#define sprintf(buf, format,...)
Definition: sprintf.c:55
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
PVOID pBuffer
unsigned char UCHAR
Definition: xmlstorage.h:181

Referenced by PerformInternalLookup(), PerformLookup(), and PrintDebug().

◆ ExtractName()

int ExtractName ( PCHAR  pBuffer,
PCHAR  pOutput,
USHORT  Offset,
UCHAR  Limit 
)

Definition at line 343 of file utility.c.

344{
345 int c = 0, d = 0, i = 0, j = 0, k = 0, l = 0, m = 0;
346
347 i = Offset;
348
349 /* If Limit == 0, then we assume "no" limit. */
350 d = Limit;
351 if( 0 == Limit ) d = 255;
352
353 while( d > 0 )
354 {
355 l = pBuffer[i] & 0xFF;
356 i += 1;
357 if( !m ) c += 1;
358
359 if( 0xC0 == l )
360 {
361 if( !m ) c += 1;
362 m = 1;
363 d += (255 - Limit);
364 i = pBuffer[i];
365 }
366 else
367 {
368 for( j = 0; j < l; j += 1 )
369 {
370 pOutput[k] = pBuffer[i];
371
372 i += 1;
373 if( !m ) c += 1;
374 k += 1;
375 d -= 1;
376 }
377
378 d -= 1;
379
380 if( !pBuffer[i] || (d < 1) ) break;
381
382 pOutput[k] = '.';
383 k += 1;
384 }
385 };
386
387 if( !m )
388 {
389 if( !Limit ) c += 1;
390 }
391
392 pOutput[k] = '\0';
393
394 return c;
395}
const GLfloat * m
Definition: glext.h:10848
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
#define d
Definition: ke_i.h:81
int k
Definition: mpi.c:3369
_In_ LONG _In_ LONG Limit
Definition: kefuncs.h:304

Referenced by PerformInternalLookup(), PerformLookup(), PrintD2(), and PrintDebug().

◆ IsValidIP()

BOOL IsValidIP ( PCHAR  pInput)

Definition at line 306 of file utility.c.

307{
308 int i = 0, l = 0, b = 0, c = 1;
309
310 /* Max length of an IP, e.g. 255.255.255.255, is 15 characters. */
311 l = strlen( pInput );
312 if( l > 15 ) return FALSE;
313
314 /* 'b' is the count of the current segment. It gets reset after seeing a
315 '.'. */
316 for( ; i < l; i += 1 )
317 {
318 if( '.' == pInput[i] )
319 {
320 if( !b ) return FALSE;
321 if( b > 3 ) return FALSE;
322
323 b = 0;
324 c += 1;
325 }
326 else
327 {
328 b += 1;
329
330 if( (pInput[i] < '0') || (pInput[i] > '9') ) return FALSE;
331 }
332 }
333
334 if( b > 3 ) return FALSE;
335
336 /* 'c' is the number of segments seen. If it's less than 4, then it's not
337 a valid IP. */
338 if( c < 4 ) return FALSE;
339
340 return TRUE;
341}
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
GLboolean GLboolean GLboolean b
Definition: glext.h:6204

Referenced by ParseCommandLine(), PerformInternalLookup(), and PerformLookup().

◆ OpcodeIDtoOpcodeName()

PCHAR OpcodeIDtoOpcodeName ( UCHAR  Opcode)

Definition at line 741 of file utility.c.

742{
743 switch( Opcode & 0x0F )
744 {
745 case OPCODE_QUERY:
746 return OpcodeQuery;
747
748 case OPCODE_IQUERY:
749 return OpcodeIQuery;
750
751 case OPCODE_STATUS:
752 return OpcodeStatus;
753
754 default:
755 return OpcodeReserved;
756 }
757}
_In_ PVOID _In_ ULONG Opcode
Definition: hubbusif.h:331
#define OpcodeQuery
Definition: nslookup.h:43
#define OpcodeReserved
Definition: nslookup.h:46
#define OPCODE_STATUS
Definition: nslookup.h:41
#define OpcodeStatus
Definition: nslookup.h:45
#define OpcodeIQuery
Definition: nslookup.h:44
#define OPCODE_QUERY
Definition: nslookup.h:39
#define OPCODE_IQUERY
Definition: nslookup.h:40

Referenced by PrintD2(), and PrintDebug().

◆ PrintD2()

void PrintD2 ( PCHAR  pBuffer,
DWORD  BufferLength 
)

Definition at line 436 of file utility.c.

437{
439 UCHAR Header1, Header2;
440 USHORT NumQuestions, NumAnswers, NumAuthority, NumAdditional;
442 CHAR pName[255];
443 int i = 0, k = 0;
444
445 RequestID = ntohs( ((PUSHORT)&pBuffer[i])[0] );
446 i += 2;
447
448 Header1 = pBuffer[i];
449 i += 1;
450
451 Header2 = pBuffer[i];
452 i += 1;
453
454 NumQuestions = ntohs( ((PSHORT)&pBuffer[i])[0] );
455 i += 2;
456
457 NumAnswers = ntohs( ((PSHORT)&pBuffer[i])[0] );
458 i += 2;
459
460 NumAuthority = ntohs( ((PUSHORT)&pBuffer[i])[0] );
461 i += 2;
462
463 NumAdditional = ntohs( ((PUSHORT)&pBuffer[i])[0] );
464 i += 2;
465
466 _tprintf( _T("------------\n") );
467 _tprintf( _T("SendRequest(), len %d\n"), (int)BufferLength );
468 _tprintf( _T(" HEADER:\n") );
469 _tprintf( _T(" opcode = %s, id = %d, rcode = %s\n"),
470 OpcodeIDtoOpcodeName( (Header1 & 0x78) >> 3 ),
471 (int)RequestID,
472 RCodeIDtoRCodeName( Header2 & 0x0F ) );
473
474 _tprintf( _T(" header flags: query") );
475 if( Header1 & 0x01 ) _tprintf( _T(", want recursion") );
476 _tprintf( _T("\n") );
477
478 _tprintf( _T(" questions = %d, answers = %d,"
479 " authority records = %d, additional = %d\n\n"),
480 (int)NumQuestions,
481 (int)NumAnswers,
482 (int)NumAuthority,
483 (int)NumAdditional );
484
485 if( NumQuestions )
486 {
487 _tprintf( _T(" QUESTIONS:\n") );
488
489 for( k = 0; k < NumQuestions; k += 1 )
490 {
491 i += ExtractName( pBuffer, pName, i, 0 );
492
493 _tprintf( _T(" %s"), pName );
494
495 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
496 i += 2;
497
498 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
499 i += 2;
500
501 _tprintf( _T(", type = %s, class = %s\n"),
504 }
505 }
506
507 _tprintf( _T("\n------------\n") );
508}
Type
Definition: Type.h:7
PCHAR TypeIDtoTypeName(USHORT TypeID)
Definition: utility.c:786
PCHAR RCodeIDtoRCodeName(UCHAR RCode)
Definition: utility.c:759
PCHAR OpcodeIDtoOpcodeName(UCHAR Opcode)
Definition: utility.c:741
int ExtractName(PCHAR pBuffer, PCHAR pOutput, USHORT Offset, UCHAR Limit)
Definition: utility.c:343
PCHAR ClassIDtoClassName(USHORT ClassID)
Definition: utility.c:833
#define _tprintf
Definition: tchar.h:506
#define ntohs(x)
Definition: module.h:210
static LPSTR pName
Definition: security.c:75
ULONG RequestID
Definition: nslookup.c:16
unsigned short USHORT
Definition: pedump.c:61
int16_t * PSHORT
Definition: typedefs.h:55
uint16_t * PUSHORT
Definition: typedefs.h:56
#define _T(x)
Definition: vfdio.h:22
_Must_inspect_result_ _In_ WDFDEVICE _In_ DEVICE_REGISTRY_PROPERTY _In_ ULONG BufferLength
Definition: wdfdevice.h:3771
char CHAR
Definition: xmlstorage.h:175

Referenced by SendRequest().

◆ PrintDebug()

void PrintDebug ( PCHAR  pBuffer,
DWORD  BufferLength 
)

Definition at line 510 of file utility.c.

511{
512 USHORT ResponseID;
513 UCHAR Header1, Header2;
514 USHORT NumQuestions, NumAnswers, NumAuthority, NumAdditional;
516 ULONG TTL;
517 CHAR pName[255];
518 int d = 0, i = 0, k = 0;
519
520 ResponseID = ntohs( ((PUSHORT)&pBuffer[i])[0] );
521 i += 2;
522
523 Header1 = pBuffer[i];
524 i += 1;
525
526 Header2 = pBuffer[i];
527 i += 1;
528
529 NumQuestions = ntohs( ((PSHORT)&pBuffer[i])[0] );
530 i += 2;
531
532 NumAnswers = ntohs( ((PSHORT)&pBuffer[i])[0] );
533 i += 2;
534
535 NumAuthority = ntohs( ((PUSHORT)&pBuffer[i])[0] );
536 i += 2;
537
538 NumAdditional = ntohs( ((PUSHORT)&pBuffer[i])[0] );
539 i += 2;
540
541 _tprintf( _T("------------\n") );
542 _tprintf( _T("Got answer (%d bytes):\n"), (int)BufferLength );
543 _tprintf( _T(" HEADER:\n") );
544 _tprintf( _T(" opcode = %s, id = %d, rcode = %s\n"),
545 OpcodeIDtoOpcodeName( (Header1 & 0x78) >> 3 ),
546 (int)ResponseID,
547 RCodeIDtoRCodeName( Header2 & 0x0F ) );
548
549 _tprintf( _T(" header flags: response") );
550 if( Header1 & 0x01 ) _tprintf( _T(", want recursion") );
551 if( Header2 & 0x80 ) _tprintf( _T(", recursion avail.") );
552 _tprintf( _T("\n") );
553
554 _tprintf( _T(" questions = %d, answers = %d, "
555 "authority records = %d, additional = %d\n\n"),
556 (int)NumQuestions,
557 (int)NumAnswers,
558 (int)NumAuthority,
559 (int)NumAdditional );
560
561 if( NumQuestions )
562 {
563 _tprintf( _T(" QUESTIONS:\n") );
564
565 for( k = 0; k < NumQuestions; k += 1 )
566 {
567 i += ExtractName( pBuffer, pName, i, 0 );
568
569 _tprintf( _T(" %s"), pName );
570
571 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
572 i += 2;
573
574 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
575 i += 2;
576
577 _tprintf( _T(", type = %s, class = %s\n"),
580 }
581 }
582
583 if( NumAnswers )
584 {
585 _tprintf( _T(" ANSWERS:\n") );
586
587 for( k = 0; k < NumAnswers; k += 1 )
588 {
589 _tprintf( _T(" -> ") );
590
591 /* Print out the name. */
592 i += ExtractName( pBuffer, pName, i, 0 );
593
594 _tprintf( _T("%s\n"), pName );
595
596 /* Print out the type, class and data length. */
597 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
598 i += 2;
599
600 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
601 i += 2;
602
603 TTL = ntohl( ((PULONG)&pBuffer[i])[0] );
604 i += 4;
605
606 d = ntohs( ((PUSHORT)&pBuffer[i])[0] );
607 i += 2;
608
609 _tprintf( _T(" type = %s, class = %s, dlen = %d\n"),
612 d );
613
614 /* Print out the answer. */
615 if( TYPE_A == Type )
616 {
617 i += ExtractIP( pBuffer, pName, i );
618
619 _tprintf( _T(" internet address = %s\n"), pName );
620 }
621 else
622 {
623 i += ExtractName( pBuffer, pName, i, d );
624
625 _tprintf( _T(" name = %s\n"), pName );
626 }
627
628 _tprintf( _T(" ttl = %d ()\n"), (int)TTL );
629 }
630 }
631
632 if( NumAuthority )
633 {
634 _tprintf( _T(" AUTHORITY RECORDS:\n") );
635
636 for( k = 0; k < NumAuthority; k += 1 )
637 {
638 /* Print out the zone name. */
639 i += ExtractName( pBuffer, pName, i, 0 );
640
641 _tprintf( _T(" -> %s\n"), pName );
642
643 /* Print out the type, class, data length and TTL. */
644 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
645 i += 2;
646
647 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
648 i += 2;
649
650 TTL = ntohl( ((PULONG)&pBuffer[i])[0] );
651 i += 4;
652
653 d = ntohs( ((PUSHORT)&pBuffer[i])[0] );
654 i += 2;
655
656 _tprintf( _T(" type = %s, class = %s, dlen = %d\n"),
659 d );
660
661 /* TODO: There might be more types? */
662 if( TYPE_NS == Type )
663 {
664 /* Print out the NS. */
665 i += ExtractName( pBuffer, pName, i, d );
666
667 _tprintf( _T(" nameserver = %s\n"), pName );
668
669 _tprintf( _T(" ttl = %d ()\n"), (int)TTL );
670 }
671 else if( TYPE_SOA == Type )
672 {
673 _tprintf( _T(" ttl = %d ()\n"), (int)TTL );
674
675 /* Print out the primary NS. */
676 i += ExtractName( pBuffer, pName, i, 0 );
677
678 _tprintf( _T(" primary name server = %s\n"), pName );
679
680 /* Print out the responsible mailbox. */
681 i += ExtractName( pBuffer, pName, i, 0 );
682
683 _tprintf( _T(" responsible mail addr = %s\n"), pName );
684
685 /* Print out the serial, refresh, retry, expire and default TTL. */
686 _tprintf( _T(" serial = ()\n") );
687 _tprintf( _T(" refresh = ()\n") );
688 _tprintf( _T(" retry = ()\n") );
689 _tprintf( _T(" expire = ()\n") );
690 _tprintf( _T(" default TTL = ()\n") );
691 i += 20;
692 }
693 }
694 }
695
696 if( NumAdditional )
697 {
698 _tprintf( _T(" ADDITIONAL:\n") );
699
700 for( k = 0; k < NumAdditional; k += 1 )
701 {
702 /* Print the name. */
703 i += ExtractName( pBuffer, pName, i, 0 );
704
705 _tprintf( _T(" -> %s\n"), pName );
706
707 /* Print out the type, class, data length and TTL. */
708 Type = ntohs( ((PUSHORT)&pBuffer[i])[0] );
709 i += 2;
710
711 Class = ntohs( ((PUSHORT)&pBuffer[i])[0] );
712 i += 2;
713
714 TTL = ntohl( ((PULONG)&pBuffer[i])[0] );
715 i += 4;
716
717 d = ntohs( ((PUSHORT)&pBuffer[i])[0] );
718 i += 2;
719
720 _tprintf( _T(" type = %s, class = %s, dlen = %d\n"),
723 d );
724
725 /* TODO: There might be more types? */
726 if( TYPE_A == Type )
727 {
728 /* Print out the NS. */
729 i += ExtractIP( pBuffer, pName, i );
730
731 _tprintf( _T(" internet address = %s\n"), pName );
732
733 _tprintf( _T(" ttl = %d ()\n"), (int)TTL );
734 }
735 }
736 }
737
738 _tprintf( _T("\n------------\n") );
739}
int ExtractIP(PCHAR pBuffer, PCHAR pOutput, USHORT Offset)
Definition: utility.c:397
#define TYPE_A
Definition: ftp_var.h:36
#define ntohl(x)
Definition: module.h:205
#define TYPE_SOA
Definition: nslookup.h:27
#define TYPE_NS
Definition: nslookup.h:25
uint32_t * PULONG
Definition: typedefs.h:59
uint32_t ULONG
Definition: typedefs.h:59

Referenced by SendRequest().

◆ RCodeIDtoRCodeName()

PCHAR RCodeIDtoRCodeName ( UCHAR  RCode)

Definition at line 759 of file utility.c.

760{
761 switch( RCode & 0x0F )
762 {
763 case RCODE_NOERROR:
764 return RCodeNOERROR;
765
766 case RCODE_FORMERR:
767 return RCodeFORMERR;
768
769 case RCODE_FAILURE:
770 return RCodeFAILURE;
771
772 case RCODE_NXDOMAIN:
773 return RCodeNXDOMAIN;
774
775 case RCODE_NOTIMP:
776 return RCodeNOTIMP;
777
778 case RCODE_REFUSED:
779 return RCodeREFUSED;
780
781 default:
782 return RCodeReserved;
783 }
784}
#define RCODE_NOTIMP
Definition: nslookup.h:52
#define RCodeNOTIMP
Definition: nslookup.h:59
#define RCODE_FAILURE
Definition: nslookup.h:50
#define RCODE_FORMERR
Definition: nslookup.h:49
#define RCodeReserved
Definition: nslookup.h:61
#define RCodeNOERROR
Definition: nslookup.h:55
#define RCODE_NOERROR
Definition: nslookup.h:48
#define RCodeREFUSED
Definition: nslookup.h:60
#define RCODE_REFUSED
Definition: nslookup.h:53
#define RCodeFORMERR
Definition: nslookup.h:56
#define RCodeNXDOMAIN
Definition: nslookup.h:58
#define RCodeFAILURE
Definition: nslookup.h:57
#define RCODE_NXDOMAIN
Definition: nslookup.h:51

Referenced by PrintD2(), and PrintDebug().

◆ ReverseIP()

void ReverseIP ( PCHAR  pIP,
PCHAR  pReturn 
)

Definition at line 249 of file utility.c.

250{
251 int i;
252 int j;
253 int k = 0;
254
255 j = strlen( pIP ) - 1;
256 i = j;
257
258 /* We have A.B.C.D
259 We will turn this into D.C.B.A and stick it in pReturn */
260
261 /* A */
262 for( ; i > 0; i -= 1 ) if( '.' == pIP[i] ) break;
263
264 strncpy( &pReturn[k], &pIP[i + 1], (j - i) );
265 k += (j - i);
266
267 pReturn[k] = '.';
268 k += 1;
269
270 i -= 1;
271 j = i;
272
273 /* B */
274 for( ; i > 0; i -= 1 ) if( '.' == pIP[i] ) break;
275
276 strncpy( &pReturn[k], &pIP[i + 1], (j - i) );
277 k += (j - i);
278
279 pReturn[k] = '.';
280 k += 1;
281
282 i -= 1;
283 j = i;
284
285 /* C */
286 for( ; i > 0; i -= 1 ) if( '.' == pIP[i] ) break;
287
288 strncpy( &pReturn[k], &pIP[i + 1], (j - i) );
289 k += (j - i);
290
291 pReturn[k] = '.';
292 k += 1;
293
294 i -= 1;
295 j = i;
296
297 /* D */
298 for( ; i > 0; i -= 1 );
299
300 strncpy( &pReturn[k], &pIP[i], (j - i) + 1 );
301 k += (j - i) + 1;
302
303 pReturn[k] = '\0';
304}
char * strncpy(char *DstString, const char *SrcString, ACPI_SIZE Count)
Definition: utclib.c:427

Referenced by PerformInternalLookup(), and PerformLookup().

◆ SendRequest()

BOOL SendRequest ( PCHAR  pInBuffer,
ULONG  InBufferLength,
PCHAR  pOutBuffer,
PULONG  pOutBufferLength 
)

Definition at line 11 of file utility.c.

15{
16 int j;
17 USHORT RequestID, ResponseID;
18 BOOL bWait;
19 SOCKET s;
20 SOCKADDR_IN RecAddr, RecAddr2, SendAddr;
21 int SendAddrLen = sizeof(SendAddr);
22
23 RtlZeroMemory( &RecAddr, sizeof(SOCKADDR_IN) );
24 RtlZeroMemory( &RecAddr2, sizeof(SOCKADDR_IN) );
25 RtlZeroMemory( &SendAddr, sizeof(SOCKADDR_IN) );
26
27 /* Pull the request ID from the buffer. */
28 RequestID = ntohs( ((PSHORT)&pInBuffer[0])[0] );
29
30 /* If D2 flags is enabled, then display D2 information. */
31 if( State.d2 ) PrintD2( pInBuffer, InBufferLength );
32
33 /* Create the sockets for both send and receive. */
35
36 if (s == INVALID_SOCKET)
37 return FALSE;
38
39 /* Set up the structure to tell it where we are going. */
40 RecAddr.sin_family = AF_INET;
41 RecAddr.sin_port = htons( State.port );
42 RecAddr.sin_addr.s_addr = inet_addr( State.DefaultServerAddress );
43
44 /* Set up the structure to tell it what port to listen on. */
45 RecAddr2.sin_family = AF_INET;
46 RecAddr2.sin_port = htons( State.port );
47 RecAddr2.sin_addr.s_addr = htonl( INADDR_ANY );
48
49 /* Bind the receive socket. */
50 bind( s, (SOCKADDR*)&RecAddr2, sizeof(RecAddr2) );
51
52 /* Send the datagram to the DNS server. */
53 j = sendto( s,
54 pInBuffer,
55 InBufferLength,
56 0,
57 (SOCKADDR*)&RecAddr,
58 sizeof(RecAddr) );
59 if( j == SOCKET_ERROR )
60 {
61 switch( WSAGetLastError() )
62 {
64 _tprintf( _T("sendto() failed with WSANOTINITIALIZED\n") );
65 break;
66 case WSAENETDOWN:
67 _tprintf( _T("sendto() failed with WSAENETDOWN\n") );
68 break;
69 case WSAEACCES:
70 _tprintf( _T("sendto() failed with WSAEACCES\n") );
71 break;
72 case WSAEINVAL:
73 _tprintf( _T("sendto() failed with WSAEINVAL\n") );
74 break;
75 case WSAEINTR:
76 _tprintf( _T("sendto() failed with WSAEINTR\n") );
77 break;
78 case WSAEINPROGRESS:
79 _tprintf( _T("sendto() failed with WSAEINPROGRESS\n") );
80 break;
81 case WSAEFAULT:
82 _tprintf( _T("sendto() failed with WSAEFAULT\n") );
83 break;
84 case WSAENETRESET:
85 _tprintf( _T("sendto() failed with WSAENETRESET\n") );
86 break;
87 case WSAENOBUFS:
88 _tprintf( _T("sendto() failed with WSAENOBUFS\n") );
89 break;
90 case WSAENOTCONN:
91 _tprintf( _T("sendto() failed with WSAENOTCONN\n") );
92 break;
93 case WSAENOTSOCK:
94 _tprintf( _T("sendto() failed with WSAENOTSOCK\n") );
95 break;
96 case WSAEOPNOTSUPP:
97 _tprintf( _T("sendto() failed with WSAEOPNOTSUPP\n") );
98 break;
99 case WSAESHUTDOWN:
100 _tprintf( _T("sendto() failed with WSAESHUTDOWN\n") );
101 break;
102 case WSAEWOULDBLOCK:
103 _tprintf( _T("sendto() failed with WSAEWOULDBLOCK\n") );
104 break;
105 case WSAEMSGSIZE:
106 _tprintf( _T("sendto() failed with WSAEMSGSIZE\n") );
107 break;
108 case WSAEHOSTUNREACH:
109 _tprintf( _T("sendto() failed with WSAEHOSTUNREACH\n") );
110 break;
111 case WSAECONNABORTED:
112 _tprintf( _T("sendto() failed with WSAECONNABORTED\n") );
113 break;
114 case WSAECONNRESET:
115 _tprintf( _T("sendto() failed with WSAECONNRESET\n") );
116 break;
117 case WSAEADDRNOTAVAIL:
118 _tprintf( _T("sendto() failed with WSAEADDRNOTAVAIL\n") );
119 break;
120 case WSAEAFNOSUPPORT:
121 _tprintf( _T("sendto() failed with WSAEAFNOSUPPORT\n") );
122 break;
123 case WSAEDESTADDRREQ:
124 _tprintf( _T("sendto() failed with WSAEDESTADDRREQ\n") );
125 break;
126 case WSAENETUNREACH:
127 _tprintf( _T("sendto() failed with WSAENETUNREACH\n") );
128 break;
129 case WSAETIMEDOUT:
130 _tprintf( _T("sendto() failed with WSAETIMEDOUT\n") );
131 break;
132 default:
133 _tprintf( _T("sendto() failed with unknown error\n") );
134 }
135
136 closesocket( s );
137 return FALSE;
138 }
139
140 bWait = TRUE;
141
142 while( bWait )
143 {
144 /* Wait for the DNS reply. */
145 j = recvfrom( s,
146 pOutBuffer,
147 *pOutBufferLength,
148 0,
149 (SOCKADDR*)&SendAddr,
150 &SendAddrLen );
151 if( j == SOCKET_ERROR )
152 {
153 switch( WSAGetLastError() )
154 {
156 _tprintf( _T("recvfrom() failed with WSANOTINITIALIZED\n") );
157 break;
158 case WSAENETDOWN:
159 _tprintf( _T("recvfrom() failed with WSAENETDOWN\n") );
160 break;
161 case WSAEACCES:
162 _tprintf( _T("recvfrom() failed with WSAEACCES\n") );
163 break;
164 case WSAEINVAL:
165 _tprintf( _T("recvfrom() failed with WSAEINVAL\n") );
166 break;
167 case WSAEINTR:
168 _tprintf( _T("recvfrom() failed with WSAEINTR\n") );
169 break;
170 case WSAEINPROGRESS:
171 _tprintf( _T("recvfrom() failed with WSAEINPROGRESS\n") );
172 break;
173 case WSAEFAULT:
174 _tprintf( _T("recvfrom() failed with WSAEFAULT\n") );
175 break;
176 case WSAENETRESET:
177 _tprintf( _T("recvfrom() failed with WSAENETRESET\n") );
178 break;
179 case WSAENOBUFS:
180 _tprintf( _T("recvfrom() failed with WSAENOBUFS\n") );
181 break;
182 case WSAENOTCONN:
183 _tprintf( _T("recvfrom() failed with WSAENOTCONN\n") );
184 break;
185 case WSAENOTSOCK:
186 _tprintf( _T("recvfrom() failed with WSAENOTSOCK\n") );
187 break;
188 case WSAEOPNOTSUPP:
189 _tprintf( _T("recvfrom() failed with WSAEOPNOTSUPP\n") );
190 break;
191 case WSAESHUTDOWN:
192 _tprintf( _T("recvfrom() failed with WSAESHUTDOWN\n") );
193 break;
194 case WSAEWOULDBLOCK:
195 _tprintf( _T("recvfrom() failed with WSAEWOULDBLOCK\n") );
196 break;
197 case WSAEMSGSIZE:
198 _tprintf( _T("recvfrom() failed with WSAEMSGSIZE\n") );
199 break;
200 case WSAEHOSTUNREACH:
201 _tprintf( _T("recvfrom() failed with WSAEHOSTUNREACH\n") );
202 break;
203 case WSAECONNABORTED:
204 _tprintf( _T("recvfrom() failed with WSAECONNABORTED\n") );
205 break;
206 case WSAECONNRESET:
207 _tprintf( _T("recvfrom() failed with WSAECONNRESET\n") );
208 break;
209 case WSAEADDRNOTAVAIL:
210 _tprintf( _T("recvfrom() failed with WSAEADDRNOTAVAIL\n") );
211 break;
212 case WSAEAFNOSUPPORT:
213 _tprintf( _T("recvfrom() failed with WSAEAFNOSUPPORT\n") );
214 break;
215 case WSAEDESTADDRREQ:
216 _tprintf( _T("recvfrom() failed with WSAEDESTADDRREQ\n") );
217 break;
218 case WSAENETUNREACH:
219 _tprintf( _T("recvfrom() failed with WSAENETUNREACH\n") );
220 break;
221 case WSAETIMEDOUT:
222 _tprintf( _T("recvfrom() failed with WSAETIMEDOUT\n") );
223 break;
224 default:
225 _tprintf( _T("recvfrom() failed with unknown error\n") );
226 }
227
228 closesocket( s );
229 return FALSE;
230 }
231
232 ResponseID = ntohs( ((PSHORT)&pOutBuffer[0])[0] );
233
234 if( ResponseID == RequestID ) bWait = FALSE;
235 }
236
237 /* We don't need the sockets anymore. */
238 closesocket( s );
239
240 /* If debug information then display debug information. */
241 if( State.debug ) PrintDebug( pOutBuffer, j );
242
243 /* Return the real output buffer length. */
244 *pOutBufferLength = j;
245
246 return TRUE;
247}
ULONG WSAAPI inet_addr(IN CONST CHAR FAR *cp)
Definition: addrconv.c:71
void PrintDebug(PCHAR pBuffer, DWORD BufferLength)
Definition: utility.c:510
void PrintD2(PCHAR pBuffer, DWORD BufferLength)
Definition: utility.c:436
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
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
#define IPPROTO_UDP
Definition: ip.h:197
#define AF_INET
Definition: tcpip.h:117
unsigned int BOOL
Definition: ntddk_ex.h:94
GLdouble s
Definition: gl.h:2039
#define INADDR_ANY
Definition: inet.h:80
#define htons(x)
Definition: module.h:215
#define htonl(x)
Definition: module.h:214
#define closesocket
Definition: ncftp.h:477
INT WSAAPI bind(IN SOCKET s, IN CONST struct sockaddr *name, IN INT namelen)
Definition: socklife.c:36
SOCKET WSAAPI socket(IN INT af, IN INT type, IN INT protocol)
Definition: socklife.c:143
struct in_addr sin_addr
Definition: winsock.h:512
short sin_family
Definition: winsock.h:510
u_short sin_port
Definition: winsock.h:511
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
#define WSAEADDRNOTAVAIL
Definition: winerror.h:1962
#define WSAEOPNOTSUPP
Definition: winerror.h:1958
#define WSAEHOSTUNREACH
Definition: winerror.h:1978
#define WSANOTINITIALISED
Definition: winerror.h:1987
#define WSAEWOULDBLOCK
Definition: winerror.h:1948
#define WSAEINVAL
Definition: winerror.h:1946
#define WSAENOTSOCK
Definition: winerror.h:1951
#define WSAECONNABORTED
Definition: winerror.h:1966
#define WSAENETDOWN
Definition: winerror.h:1963
#define WSAENOBUFS
Definition: winerror.h:1968
#define WSAETIMEDOUT
Definition: winerror.h:1973
#define WSAEMSGSIZE
Definition: winerror.h:1953
#define WSAECONNRESET
Definition: winerror.h:1967
#define WSAEACCES
Definition: winerror.h:1944
#define WSAEDESTADDRREQ
Definition: winerror.h:1952
#define WSAESHUTDOWN
Definition: winerror.h:1971
#define WSAENETUNREACH
Definition: winerror.h:1964
#define WSAEAFNOSUPPORT
Definition: winerror.h:1960
#define WSAENOTCONN
Definition: winerror.h:1970
#define WSAEINPROGRESS
Definition: winerror.h:1949
#define WSAENETRESET
Definition: winerror.h:1965
#define WSAEFAULT
Definition: winerror.h:1945
#define WSAEINTR
Definition: winerror.h:1942
int PASCAL FAR WSAGetLastError(void)
Definition: dllmain.c:112
#define INVALID_SOCKET
Definition: winsock.h:332
#define SOCK_DGRAM
Definition: winsock.h:336
UINT_PTR SOCKET
Definition: winsock.h:47
#define SOCKET_ERROR
Definition: winsock.h:333

Referenced by AddrFileFree(), PerformInternalLookup(), and PerformLookup().

◆ TypeIDtoTypeName()

PCHAR TypeIDtoTypeName ( USHORT  TypeID)

Definition at line 786 of file utility.c.

787{
788 switch( TypeID )
789 {
790 case TYPE_A:
791 return TypeA;
792
793 case TYPE_NS:
794 return TypeNS;
795
796 case TYPE_CNAME:
797 return TypeCNAME;
798
799 case TYPE_SOA:
800 return TypeSOA;
801
802 case TYPE_WKS:
803 return TypeSRV;
804
805 case TYPE_PTR:
806 return TypePTR;
807
808 case TYPE_MX:
809 return TypeMX;
810
811 case TYPE_ANY:
812 return TypeAny;
813
814 default:
815 return "Unknown";
816 }
817}
#define TYPE_PTR
Definition: nslookup.h:29
#define TypeMX
Definition: nslookup.h:18
#define TYPE_WKS
Definition: nslookup.h:28
#define TypePTR
Definition: nslookup.h:20
#define TypeSRV
Definition: nslookup.h:22
#define TypeNS
Definition: nslookup.h:19
#define TypeAny
Definition: nslookup.h:16
#define TYPE_CNAME
Definition: nslookup.h:26
#define TYPE_ANY
Definition: nslookup.h:31
#define TypeCNAME
Definition: nslookup.h:17
#define TypeA
Definition: nslookup.h:13
#define TYPE_MX
Definition: nslookup.h:30
#define TypeSOA
Definition: nslookup.h:21

Referenced by PrintD2(), and PrintDebug().

◆ TypeNametoTypeID()

USHORT TypeNametoTypeID ( PCHAR  TypeName)

Definition at line 819 of file utility.c.

820{
821 if( !strncmp( TypeName, TypeA, strlen( TypeA ) ) ) return TYPE_A;
822 if( !strncmp( TypeName, TypeNS, strlen( TypeNS ) ) ) return TYPE_NS;
823 if( !strncmp( TypeName, TypeCNAME, strlen( TypeCNAME ) ) ) return TYPE_CNAME;
824 if( !strncmp( TypeName, TypeSOA, strlen( TypeSOA ) ) ) return TYPE_SOA;
825 if( !strncmp( TypeName, TypeSRV, strlen( TypeSRV ) ) ) return TYPE_WKS;
826 if( !strncmp( TypeName, TypePTR, strlen( TypePTR ) ) ) return TYPE_PTR;
827 if( !strncmp( TypeName, TypeMX, strlen( TypeMX ) ) ) return TYPE_MX;
828 if( !strncmp( TypeName, TypeAny, strlen( TypeAny ) ) ) return TYPE_ANY;
829
830 return 0;
831}

Referenced by PerformLookup().