ReactOS 0.4.15-dev-8145-ga541a46
tracert.cpp File Reference
#include <winsock2.h>
#include <Windows.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <icmpapi.h>
#include <strsafe.h>
#include "resource.h"
Include dependency graph for tracert.cpp:

Go to the source code of this file.

Classes

struct  TraceInfo
 

Macros

#define SIZEOF_ICMP_ERROR   8
 
#define SIZEOF_IO_STATUS_BLOCK   8
 
#define PACKET_SIZE   32
 
#define MAX_IPADDRESS   32
 
#define NUM_OF_PINGS   3
 

Functions

static INT LengthOfStrResource (_In_ HINSTANCE hInst, _In_ UINT uID)
 
static INT AllocAndLoadString (_In_ UINT uID, _Out_ LPWSTR *lpTarget)
 
static INT OutputText (_In_ UINT uID,...)
 
static VOID Usage ()
 
static ULONG GetULONG (_In_z_ LPWSTR String)
 
static bool ResolveTarget ()
 
static bool PrintHopInfo (_In_ PVOID Buffer)
 
static ULONG GetResponseStats (_In_ PVOID ReplyBuffer, _Out_ ULONG &RoundTripTime, _Out_ PVOID &AddressInfo)
 
static bool DecodeResponse (_In_ PVOID ReplyBuffer, _In_ PVOID LastGoodResponse, _In_ bool OutputHopAddress, _Out_ bool &GoodResponse, _Out_ bool &FoundTarget)
 
static bool RunTraceRoute ()
 
static bool ParseCmdline (int argc, wchar_t *argv[])
 
EXTERN_C int wmain (int argc, wchar_t *argv[])
 

Variables

struct TraceInfo Info = { 0 }
 

Macro Definition Documentation

◆ MAX_IPADDRESS

#define MAX_IPADDRESS   32

Definition at line 32 of file tracert.cpp.

◆ NUM_OF_PINGS

#define NUM_OF_PINGS   3

Definition at line 33 of file tracert.cpp.

◆ PACKET_SIZE

#define PACKET_SIZE   32

Definition at line 31 of file tracert.cpp.

◆ SIZEOF_ICMP_ERROR

#define SIZEOF_ICMP_ERROR   8

Definition at line 29 of file tracert.cpp.

◆ SIZEOF_IO_STATUS_BLOCK

#define SIZEOF_IO_STATUS_BLOCK   8

Definition at line 30 of file tracert.cpp.

Function Documentation

◆ AllocAndLoadString()

static INT AllocAndLoadString ( _In_ UINT  uID,
_Out_ LPWSTR lpTarget 
)
static

Definition at line 84 of file tracert.cpp.

88{
90 INT Length;
91
94 if (Length++ > 0)
95 {
96 (*lpTarget) = (LPWSTR)LocalAlloc(LMEM_FIXED,
97 Length * sizeof(WCHAR));
98 if ((*lpTarget) != NULL)
99 {
100 INT Ret;
101 if (!(Ret = LoadStringW(hInst, uID, *lpTarget, Length)))
102 {
103 LocalFree((HLOCAL)(*lpTarget));
104 }
105 return Ret;
106 }
107 }
108 return 0;
109}
#define NULL
Definition: types.h:112
HMODULE WINAPI GetModuleHandleW(LPCWSTR lpModuleName)
Definition: loader.c:838
HINSTANCE hInst
Definition: dxdiag.c:13
HLOCAL NTAPI LocalAlloc(UINT uFlags, SIZE_T dwBytes)
Definition: heapmem.c:1390
HLOCAL NTAPI LocalFree(HLOCAL hMem)
Definition: heapmem.c:1594
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
static INT LengthOfStrResource(_In_ HINSTANCE hInst, _In_ UINT uID)
Definition: tracert.cpp:54
int32_t INT
Definition: typedefs.h:58
#define LMEM_FIXED
Definition: winbase.h:368
int WINAPI LoadStringW(_In_opt_ HINSTANCE hInstance, _In_ UINT uID, _Out_writes_to_(cchBufferMax, return+1) LPWSTR lpBuffer, _In_ int cchBufferMax)
__wchar_t WCHAR
Definition: xmlstorage.h:180
WCHAR * LPWSTR
Definition: xmlstorage.h:184

Referenced by OutputText().

◆ DecodeResponse()

static bool DecodeResponse ( _In_ PVOID  ReplyBuffer,
_In_ PVOID  LastGoodResponse,
_In_ bool  OutputHopAddress,
_Out_ bool GoodResponse,
_Out_ bool FoundTarget 
)
static

Definition at line 311 of file tracert.cpp.

318{
319 ULONG RoundTripTime;
320 PVOID AddressInfo;
321 ULONG Status = GetResponseStats(ReplyBuffer, RoundTripTime, AddressInfo);
322
323 switch (Status)
324 {
325 case IP_SUCCESS:
327 if (RoundTripTime)
328 {
329 OutputText(IDS_HOP_TIME, RoundTripTime);
330 }
331 else
332 {
334 }
335 GoodResponse = true;
336 break;
337
340 FoundTarget = true;
341 PrintHopInfo(AddressInfo);
344 {
346 }
348 {
350 }
351 return true;
352
353 case IP_REQ_TIMED_OUT:
355 break;
356
359 return false;
360
361 default:
363 return false;
364 }
365
366 if (OutputHopAddress)
367 {
368 if (Status == IP_REQ_TIMED_OUT && LastGoodResponse)
369 {
370 Status = GetResponseStats(LastGoodResponse, RoundTripTime, AddressInfo);
371 }
372 if (Status == IP_SUCCESS)
373 {
374 FoundTarget = true;
375 }
377 {
378 PrintHopInfo(AddressInfo);
380 }
381 else if (Status == IP_REQ_TIMED_OUT)
382 {
384 }
385 }
386
387 return true;
388}
#define IDS_DEST_HOST_UNREACHABLE
Definition: resource.h:24
#define IDS_TRANSMIT_FAILED
Definition: resource.h:28
#define IDS_DEST_NET_UNREACHABLE
Definition: resource.h:25
#define IDS_TIMEOUT
Definition: resource.h:14
#define IDS_HOP_TIME
Definition: resource.h:12
#define IDS_HOP_ZERO
Definition: resource.h:13
#define IDS_REQ_TIMED_OUT
Definition: resource.h:17
#define IDS_LINEBREAK
Definition: resource.h:18
#define IDS_HOP_RESPONSE
Definition: resource.h:19
#define IDS_GEN_FAILURE
Definition: resource.h:8
_Must_inspect_result_ _In_ PFLT_PORT _In_ ULONG _Out_writes_bytes_opt_ ReplyLength PVOID ReplyBuffer
Definition: fltkernel.h:1902
Status
Definition: gdiplustypes.h:25
#define IP_DEST_NET_UNREACHABLE
Definition: ipexport.h:115
#define IP_DEST_HOST_UNREACHABLE
Definition: ipexport.h:116
#define IP_GENERAL_FAILURE
Definition: ipexport.h:138
#define IP_REQ_TIMED_OUT
Definition: ipexport.h:123
#define IP_TTL_EXPIRED_TRANSIT
Definition: ipexport.h:126
#define IP_SUCCESS
Definition: ipexport.h:113
static INT OutputText(_In_ UINT uID,...)
Definition: tracert.cpp:113
static bool PrintHopInfo(_In_ PVOID Buffer)
Definition: tracert.cpp:209
static ULONG GetResponseStats(_In_ PVOID ReplyBuffer, _Out_ ULONG &RoundTripTime, _Out_ PVOID &AddressInfo)
Definition: tracert.cpp:277
uint32_t ULONG
Definition: typedefs.h:59

Referenced by RunTraceRoute().

◆ GetResponseStats()

static ULONG GetResponseStats ( _In_ PVOID  ReplyBuffer,
_Out_ ULONG RoundTripTime,
_Out_ PVOID AddressInfo 
)
static

Definition at line 277 of file tracert.cpp.

282{
284
285 if (Info.Family == AF_INET6)
286 {
287 PICMPV6_ECHO_REPLY EchoReplyV6;
288 EchoReplyV6 = (PICMPV6_ECHO_REPLY)ReplyBuffer;
289 Status = EchoReplyV6->Status;
290 RoundTripTime = EchoReplyV6->RoundTripTime;
291 AddressInfo = &EchoReplyV6->Address;
292 }
293 else
294 {
295#ifdef _WIN64
296 PICMP_ECHO_REPLY32 EchoReplyV4;
297 EchoReplyV4 = (PICMP_ECHO_REPLY32)ReplyBuffer;
298#else
299 PICMP_ECHO_REPLY EchoReplyV4;
300 EchoReplyV4 = (PICMP_ECHO_REPLY)ReplyBuffer;
301#endif
302 Status = EchoReplyV4->Status;
303 RoundTripTime = EchoReplyV4->RoundTripTime;
304 AddressInfo = &EchoReplyV4->Address;
305 }
306
307 return Status;
308}
struct icmp_echo_reply * PICMP_ECHO_REPLY
ICMPV6_ECHO_REPLY_LH * PICMPV6_ECHO_REPLY
Definition: ipexport.h:195
IPV6_ADDRESS_EX Address
Definition: ipexport.h:189
unsigned int RoundTripTime
Definition: ipexport.h:191
_Must_inspect_result_ _In_ WDFCHILDLIST _In_ PWDF_CHILD_LIST_ITERATOR _Out_ WDFDEVICE _Inout_opt_ PWDF_CHILD_RETRIEVE_INFO Info
Definition: wdfchildlist.h:690
#define AF_INET6
Definition: winsock.h:369

Referenced by DecodeResponse().

◆ GetULONG()

static ULONG GetULONG ( _In_z_ LPWSTR  String)
static

Definition at line 157 of file tracert.cpp.

160{
163
164 ULONG i = 0;
165 while ((i < Length) && ((String[i] < L'0') || (String[i] > L'9'))) i++;
166 if ((i >= Length) || ((String[i] < L'0') || (String[i] > L'9')))
167 {
168 return (ULONG)-1;
169 }
170
171 LPWSTR StopString;
172 return wcstoul(&String[i], &StopString, 10);
173}
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
_Check_return_ unsigned long __cdecl wcstoul(_In_z_ const wchar_t *_Str, _Out_opt_ _Deref_post_z_ wchar_t **_EndPtr, _In_ int _Radix)
_CRTIMP size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
#define L(x)
Definition: ntvdm.h:50
_Must_inspect_result_ _In_ WDFDEVICE _In_ WDFSTRING String
Definition: wdfdevice.h:2433

Referenced by ParseCmdline().

◆ LengthOfStrResource()

static INT LengthOfStrResource ( _In_ HINSTANCE  hInst,
_In_ UINT  uID 
)
static

Definition at line 54 of file tracert.cpp.

58{
59 HRSRC hrSrc;
60 HGLOBAL hRes;
61 LPWSTR lpName, lpStr;
62
63 if (hInst == NULL) return -1;
64
65 lpName = (LPWSTR)MAKEINTRESOURCE((uID >> 4) + 1);
66
67 if ((hrSrc = FindResourceW(hInst, lpName, (LPWSTR)RT_STRING)) &&
68 (hRes = LoadResource(hInst, hrSrc)) &&
69 (lpStr = (WCHAR*)LockResource(hRes)))
70 {
71 UINT x;
72 uID &= 0xF;
73 for (x = 0; x < uID; x++)
74 {
75 lpStr += (*lpStr) + 1;
76 }
77 return (int)(*lpStr);
78 }
79 return -1;
80}
HRSRC WINAPI FindResourceW(HINSTANCE hModule, LPCWSTR name, LPCWSTR type)
Definition: res.c:176
LPVOID WINAPI LockResource(HGLOBAL handle)
Definition: res.c:550
HGLOBAL WINAPI LoadResource(HINSTANCE hModule, HRSRC hRsrc)
Definition: res.c:532
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
unsigned int UINT
Definition: ndis.h:50
#define RT_STRING
Definition: pedump.c:368
_In_ LPCSTR lpName
Definition: winbase.h:2789
#define MAKEINTRESOURCE
Definition: winuser.h:591

Referenced by AllocAndLoadString().

◆ OutputText()

static INT OutputText ( _In_ UINT  uID,
  ... 
)
static

Definition at line 113 of file tracert.cpp.

116{
118 DWORD Ret = 0;
119 va_list lArgs;
120
121 if (AllocAndLoadString(uID, &Format) > 0)
122 {
123 va_start(lArgs, uID);
124
127 Format,
128 0,
129 0,
130 (LPWSTR)&Buffer,
131 0,
132 &lArgs);
133 va_end(lArgs);
134
135 if (Ret)
136 {
139 }
141 }
142
143 return Ret;
144}
char * va_list
Definition: acmsvcex.h:78
#define va_end(ap)
Definition: acmsvcex.h:90
#define va_start(ap, A)
Definition: acmsvcex.h:91
Definition: bufpool.h:45
DWORD WINAPI FormatMessageW(DWORD dwFlags, LPCVOID lpSource, DWORD dwMessageId, DWORD dwLanguageId, LPWSTR lpBuffer, DWORD nSize, __ms_va_list *args)
Definition: format_msg.c:583
unsigned long DWORD
Definition: ntddk_ex.h:95
static INT AllocAndLoadString(_In_ UINT uID, _Out_ LPWSTR *lpTarget)
Definition: tracert.cpp:84
#define wprintf(...)
Definition: whoami.c:18
#define FORMAT_MESSAGE_FROM_STRING
Definition: winbase.h:421
#define FORMAT_MESSAGE_ALLOCATE_BUFFER
Definition: winbase.h:419

Referenced by DecodeResponse(), ParseCmdline(), PrintHopInfo(), RunTraceRoute(), and Usage().

◆ ParseCmdline()

static bool ParseCmdline ( int  argc,
wchar_t argv[] 
)
static

Definition at line 561 of file tracert.cpp.

562{
563 if (argc < 2)
564 {
565 Usage();
566 return false;
567 }
568
569 for (int i = 1; i < argc; i++)
570 {
571 if (argv[i][0] == '-')
572 {
573 switch (argv[i][1])
574 {
575 case 'd':
576 Info.ResolveAddresses = FALSE;
577 break;
578
579 case 'h':
580 Info.MaxHops = GetULONG(argv[++i]);
581 break;
582
583 case 'j':
584 printf("-j is not yet implemented.\n");
585 return false;
586
587 case 'w':
588 Info.Timeout = GetULONG(argv[++i]);
589 break;
590
591 case '4':
592 Info.Family = AF_INET;
593 break;
594
595 case '6':
596 Info.Family = AF_INET6;
597 break;
598
599 default:
600 {
602 Usage();
603 return false;
604 }
605 }
606 }
607 else
608 {
609 StringCchCopyW(Info.HostName, NI_MAXHOST, argv[i]);
610 break;
611 }
612 }
613
614 return true;
615}
static int argc
Definition: ServiceArgs.c:12
#define IDS_INVALID_OPTION
Definition: resource.h:7
#define FALSE
Definition: types.h:117
#define AF_INET
Definition: tcpip.h:117
#define printf
Definition: freeldr.h:97
#define argv
Definition: mplay32.c:18
STRSAFEAPI StringCchCopyW(STRSAFE_LPWSTR pszDest, size_t cchDest, STRSAFE_LPCWSTR pszSrc)
Definition: strsafe.h:149
static ULONG GetULONG(_In_z_ LPWSTR String)
Definition: tracert.cpp:157
static VOID Usage()
Definition: tracert.cpp:151
#define NI_MAXHOST
Definition: ws2def.h:359

Referenced by wmain().

◆ PrintHopInfo()

static bool PrintHopInfo ( _In_ PVOID  Buffer)
static

Definition at line 209 of file tracert.cpp.

210{
211 SOCKADDR_IN6 SockAddrIn6 = { 0 };
212 SOCKADDR_IN SockAddrIn = { 0 };
213 PSOCKADDR SockAddr;
215
216 if (Info.Family == AF_INET6)
217 {
219 SockAddrIn6.sin6_family = AF_INET6;
220 CopyMemory(SockAddrIn6.sin6_addr.u.Word, Ipv6Addr->sin6_addr, sizeof(SockAddrIn6.sin6_addr));
221 //SockAddrIn6.sin6_addr = Ipv6Addr->sin6_addr;
222 SockAddr = (PSOCKADDR)&SockAddrIn6;
223 Size = sizeof(SOCKADDR_IN6);
224
225 }
226 else
227 {
229 SockAddrIn.sin_family = AF_INET;
230 SockAddrIn.sin_addr.S_un.S_addr = *Address;
231 SockAddr = (PSOCKADDR)&SockAddrIn;
232 Size = sizeof(SOCKADDR_IN);
233 }
234
235 INT Status;
236 bool Resolved = false;
237 WCHAR HostName[NI_MAXHOST];
238 if (Info.ResolveAddresses)
239 {
240 Status = GetNameInfoW(SockAddr,
241 Size,
242 HostName,
244 NULL,
245 0,
247 if (Status == 0)
248 {
249 Resolved = true;
250 }
251 }
252
253 WCHAR IpAddress[MAX_IPADDRESS];
254 Status = GetNameInfoW(SockAddr,
255 Size,
256 IpAddress,
258 NULL,
259 0,
261 if (Status == 0)
262 {
263 if (Resolved)
264 {
265 OutputText(IDS_HOP_RES_INFO, HostName, IpAddress);
266 }
267 else
268 {
269 OutputText(IDS_HOP_IP_INFO, IpAddress);
270 }
271 }
272
273 return (Status == 0);
274}
INT WSAAPI GetNameInfoW(IN CONST SOCKADDR *pSockaddr, IN socklen_t SockaddrLength, OUT PWCHAR pNodeBuffer, IN DWORD NodeBufferSize, OUT PWCHAR pServiceBuffer, IN DWORD ServiceBufferSize, IN INT Flags)
Definition: addrinfo.c:873
#define IDS_HOP_RES_INFO
Definition: resource.h:15
#define IDS_HOP_IP_INFO
Definition: resource.h:16
struct _IPV6_ADDRESS_EX * PIPV6_ADDRESS_EX
int socklen_t
Definition: tcp.c:35
ULONG IPAddr
Definition: pfhook.h:35
static WCHAR Address[46]
Definition: ping.c:68
USHORT sin6_addr[8]
Definition: ipexport.h:173
USHORT Word[8]
Definition: in6addr.h:6
union in6_addr::@3008 u
ADDRESS_FAMILY sin6_family
Definition: ws2ipdef.h:179
IN6_ADDR sin6_addr
Definition: ws2ipdef.h:182
struct in_addr sin_addr
Definition: winsock.h:512
short sin_family
Definition: winsock.h:510
#define MAX_IPADDRESS
Definition: tracert.cpp:32
_Must_inspect_result_ _In_ WDFDEVICE _In_ PWDF_DEVICE_PROPERTY_DATA _In_ DEVPROPTYPE _In_ ULONG Size
Definition: wdfdevice.h:4533
#define CopyMemory
Definition: winbase.h:1710
struct sockaddr_in SOCKADDR_IN
Definition: winsock.h:487
struct sockaddr * PSOCKADDR
Definition: winsock.h:485
#define NI_NAMEREQD
Definition: ws2def.h:355
#define NI_NUMERICHOST
Definition: ws2def.h:354
SOCKADDR_IN6_LH SOCKADDR_IN6
Definition: ws2ipdef.h:199

Referenced by DecodeResponse().

◆ ResolveTarget()

static bool ResolveTarget ( )
static

Definition at line 176 of file tracert.cpp.

177{
178 ADDRINFOW Hints;
179 ZeroMemory(&Hints, sizeof(Hints));
180 Hints.ai_family = Info.Family;
181 Hints.ai_flags = AI_CANONNAME;
182
183 int Status;
184 Status = GetAddrInfoW(Info.HostName,
185 NULL,
186 &Hints,
187 &Info.Target);
188 if (Status != 0)
189 {
190 return false;
191 }
192
193 Status = GetNameInfoW(Info.Target->ai_addr,
194 Info.Target->ai_addrlen,
195 Info.TargetIP,
197 NULL,
198 0,
200 if (Status != 0)
201 {
202 return false;
203 }
204
205 return true;
206}
INT WSAAPI GetAddrInfoW(IN PCWSTR pszNodeName, IN PCWSTR pszServiceName, IN const ADDRINFOW *ptHints, OUT PADDRINFOW *pptResult)
Definition: addrinfo.c:509
int ai_flags
Definition: ws2def.h:676
int ai_family
Definition: ws2def.h:677
#define ZeroMemory
Definition: winbase.h:1712
#define AI_CANONNAME
Definition: ws2def.h:294

Referenced by RunTraceRoute(), and wmain().

◆ RunTraceRoute()

static bool RunTraceRoute ( )
static

Definition at line 391 of file tracert.cpp.

392{
393 bool Success = false;
394 PVOID ReplyBuffer = NULL, LastGoodResponse = NULL;
395 DWORD ReplySize;
396
398 bool Quit = false;
399 ULONG HopCount = 1;
400 bool FoundTarget = false;
401
403 if (!Success)
404 {
406 goto Cleanup;
407 }
408
410 if (Info.Family == AF_INET6)
411 {
412 ReplySize += sizeof(ICMPV6_ECHO_REPLY);
413 }
414 else
415 {
416#ifdef _WIN64
417 ReplySize += sizeof(ICMP_ECHO_REPLY32);
418#else
419 ReplySize += sizeof(ICMP_ECHO_REPLY);
420#endif
421 }
422
424 if (ReplyBuffer == NULL)
425 {
426 Success = false;
427 goto Cleanup;
428 }
429
430 if (Info.Family == AF_INET6)
431 {
432 Info.hIcmpFile = Icmp6CreateFile();
433 }
434 else
435 {
436 Info.hIcmpFile = IcmpCreateFile();
437 }
438 if (Info.hIcmpFile == INVALID_HANDLE_VALUE)
439 {
440 Success = false;
441 goto Cleanup;
442 }
443
444 OutputText(IDS_TRACE_INFO, Info.HostName, Info.TargetIP, Info.MaxHops);
445
446 IP_OPTION_INFORMATION IpOptionInfo;
447 ZeroMemory(&IpOptionInfo, sizeof(IpOptionInfo));
448
449 while ((HopCount <= Info.MaxHops) && (FoundTarget == false) && (Quit == false))
450 {
451 OutputText(IDS_HOP_COUNT, HopCount);
452
453 if (LastGoodResponse)
454 {
455 HeapFree(heap, 0, LastGoodResponse);
456 LastGoodResponse = NULL;
457 }
458
459 for (int Ping = 1; Ping <= NUM_OF_PINGS; Ping++)
460 {
461 BYTE SendBuffer[PACKET_SIZE];
462 bool GoodResponse = false;
463
464 IpOptionInfo.Ttl = static_cast<UCHAR>(HopCount);
465
466 if (Info.Family == AF_INET6)
467 {
468 struct sockaddr_in6 Source;
469
470 ZeroMemory(&Source, sizeof(Source));
471 Source.sin6_family = AF_INET6;
472
473 (void)Icmp6SendEcho2(Info.hIcmpFile,
474 NULL,
475 NULL,
476 NULL,
477 &Source,
478 (struct sockaddr_in6 *)Info.Target->ai_addr,
479 SendBuffer,
481 &IpOptionInfo,
483 ReplySize,
484 Info.Timeout);
485 }
486 else
487 {
488 (void)IcmpSendEcho2(Info.hIcmpFile,
489 NULL,
490 NULL,
491 NULL,
492 ((PSOCKADDR_IN)Info.Target->ai_addr)->sin_addr.s_addr,
493 SendBuffer,
495 &IpOptionInfo,
497 ReplySize,
498 Info.Timeout);
499 }
500
502 LastGoodResponse,
503 (Ping == NUM_OF_PINGS),
504 GoodResponse,
505 FoundTarget) == false)
506 {
507 Quit = true;
508 break;
509 }
510
511 if (FoundTarget)
512 {
513 Success = true;
514 break;
515 }
516
517 if (GoodResponse)
518 {
519 if (LastGoodResponse)
520 {
521 HeapFree(heap, 0, LastGoodResponse);
522 }
523 LastGoodResponse = HeapAlloc(heap, HEAP_ZERO_MEMORY, ReplySize);
524 if (LastGoodResponse == NULL)
525 {
526 Success = false;
527 goto Cleanup;
528 }
529 CopyMemory(LastGoodResponse, ReplyBuffer, ReplySize);
530 }
531 }
532
533 HopCount++;
534 Sleep(100);
535 }
536
538
539Cleanup:
540 if (ReplyBuffer)
541 {
543 }
544 if (LastGoodResponse)
545 {
546 HeapFree(heap, 0, LastGoodResponse);
547 }
548 if (Info.Target)
549 {
550 FreeAddrInfoW(Info.Target);
551 }
552 if (Info.hIcmpFile)
553 {
554 IcmpCloseHandle(Info.hIcmpFile);
555 }
556
557 return Success;
558}
#define FreeAddrInfoW(a)
Definition: addrinfo.c:21
#define IDS_UNABLE_RESOLVE
Definition: resource.h:7
#define IDS_TRACE_COMPLETE
Definition: resource.h:6
#define IDS_HOP_COUNT
Definition: resource.h:11
#define IDS_TRACE_INFO
Definition: resource.h:5
#define GetProcessHeap()
Definition: compat.h:736
#define INVALID_HANDLE_VALUE
Definition: compat.h:731
#define HeapAlloc
Definition: compat.h:733
#define HeapFree(x, y, z)
Definition: compat.h:735
#define HEAP_ZERO_MEMORY
Definition: compat.h:134
BOOL WINAPI IcmpCloseHandle(_In_ HANDLE IcmpHandle)
Definition: icmp.c:202
DWORD WINAPI IcmpSendEcho2(_In_ HANDLE IcmpHandle, _In_opt_ HANDLE Event, _In_opt_ PIO_APC_ROUTINE ApcRoutine, _In_opt_ PVOID ApcContext, _In_ IPAddr DestinationAddress, _In_ LPVOID RequestData, _In_ WORD RequestSize, _In_opt_ PIP_OPTION_INFORMATION RequestOptions, _Out_ LPVOID ReplyBuffer, _In_ DWORD ReplySize, _In_ DWORD Timeout)
Definition: icmp.c:285
HANDLE WINAPI Icmp6CreateFile(void)
Definition: icmp.c:15
HANDLE WINAPI IcmpCreateFile(void)
Definition: icmp.c:219
DWORD WINAPI Icmp6SendEcho2(_In_ HANDLE IcmpHandle, _In_opt_ HANDLE Event, _In_opt_ PIO_APC_ROUTINE ApcRoutine, _In_opt_ PVOID ApcContext, _In_ struct sockaddr_in6 *SourceAddress, _In_ struct sockaddr_in6 *DestinationAddress, _In_ LPVOID RequestData, _In_ WORD RequestSize, _In_ PIP_OPTION_INFORMATION RequestOptions, _Out_ LPVOID ReplyBuffer, _In_ DWORD ReplySize, _In_ DWORD Timeout)
Definition: icmp.c:77
static const WCHAR Cleanup[]
Definition: register.c:80
@ Success
Definition: eventcreate.c:712
ICMPV6_ECHO_REPLY_LH ICMPV6_ECHO_REPLY
Definition: ipexport.h:194
struct icmp_echo_reply ICMP_ECHO_REPLY
_In_ UINT _In_ UINT _In_ PNDIS_PACKET Source
Definition: ndis.h:3169
unsigned short USHORT
Definition: pedump.c:61
static void Ping(void)
Definition: ping.c:419
static HANDLE heap
Definition: heap.c:65
unsigned char Ttl
Definition: ipexport.h:33
VOID WINAPI DECLSPEC_HOTPATCH Sleep(IN DWORD dwMilliseconds)
Definition: synch.c:790
#define NUM_OF_PINGS
Definition: tracert.cpp:33
#define SIZEOF_ICMP_ERROR
Definition: tracert.cpp:29
static bool DecodeResponse(_In_ PVOID ReplyBuffer, _In_ PVOID LastGoodResponse, _In_ bool OutputHopAddress, _Out_ bool &GoodResponse, _Out_ bool &FoundTarget)
Definition: tracert.cpp:311
#define SIZEOF_IO_STATUS_BLOCK
Definition: tracert.cpp:30
static bool ResolveTarget()
Definition: tracert.cpp:176
#define PACKET_SIZE
Definition: tracert.cpp:31
unsigned char UCHAR
Definition: xmlstorage.h:181
unsigned char BYTE
Definition: xxhash.c:193

Referenced by wmain().

◆ Usage()

static VOID Usage ( void  )
static

Definition at line 151 of file tracert.cpp.

152{
154}
#define IDS_USAGE
Definition: resource.h:3

Referenced by ParseCmdline().

◆ wmain()

EXTERN_C int wmain ( int  argc,
wchar_t argv[] 
)

Definition at line 618 of file tracert.cpp.

619{
620#ifdef USE_CONUTILS
621 /* Initialize the Console Standard Streams */
623#endif
624
625 Info.ResolveAddresses = true;
626 Info.MaxHops = 30;
627 Info.Timeout = 4000;
628 Info.Family = AF_UNSPEC;
629
630 if (!ParseCmdline(argc, argv))
631 {
632 return 1;
633 }
634
635 WSADATA WsaData;
636 if (WSAStartup(MAKEWORD(2, 2), &WsaData))
637 {
638 return 1;
639 }
640
641 bool Success;
643
644 WSACleanup();
645
646 return Success ? 0 : 1;
647}
#define ConInitStdStreams()
Definition: fc.c:13
INT WINAPI WSAStartup(IN WORD wVersionRequested, OUT LPWSADATA lpWSAData)
Definition: startup.c:113
static bool RunTraceRoute()
Definition: tracert.cpp:391
static bool ParseCmdline(int argc, wchar_t *argv[])
Definition: tracert.cpp:561
#define MAKEWORD(a, b)
Definition: typedefs.h:248
int PASCAL FAR WSACleanup(void)
Definition: startup.c:60
#define AF_UNSPEC
Definition: winsock.h:344

Variable Documentation

◆ Info