mirror of
https://github.com/reactos/reactos.git
synced 2025-08-05 18:23:07 +00:00
Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.
This commit is contained in:
Colin Finck
parent
b94e2d8ca0
commit
c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
641
base/applications/network/netstat/netstat.c
Normal file
641
base/applications/network/netstat/netstat.c
Normal file
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@ -0,0 +1,641 @@
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/*
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* PROJECT: ReactOS netstat utility
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: base/applications/network/netstat/netstat.c
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* PURPOSE: display IP stack statistics
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* COPYRIGHT: Copyright 2005 Ged Murphy <gedmurphy@gmail.com>
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*/
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/*
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* TODO:
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* sort function return values.
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* implement -b, -o and -v
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* clean up GetIpHostName
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* command line parser needs more work
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*/
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#define WIN32_NO_STATUS
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#include <stdarg.h>
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#include <windef.h>
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#include <winbase.h>
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#define _INC_WINDOWS
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#include <winsock2.h>
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#include <tchar.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <iphlpapi.h>
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#include "netstat.h"
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enum ProtoType {IP, TCP, UDP, ICMP} Protocol;
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DWORD Interval; /* time to pause between printing output */
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/* TCP endpoint states */
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TCHAR TcpState[][32] = {
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_T("???"),
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_T("CLOSED"),
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_T("LISTENING"),
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_T("SYN_SENT"),
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_T("SYN_RCVD"),
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_T("ESTABLISHED"),
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_T("FIN_WAIT1"),
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_T("FIN_WAIT2"),
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_T("CLOSE_WAIT"),
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_T("CLOSING"),
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_T("LAST_ACK"),
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_T("TIME_WAIT"),
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_T("DELETE_TCB")
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};
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/*
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* format message string and display output
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*/
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DWORD DoFormatMessage(DWORD ErrorCode)
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{
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LPVOID lpMsgBuf;
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DWORD RetVal;
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if ((RetVal = FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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ErrorCode,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
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(LPTSTR) &lpMsgBuf,
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0,
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NULL )))
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{
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_tprintf(_T("%s"), (LPTSTR)lpMsgBuf);
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LocalFree(lpMsgBuf);
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/* return number of TCHAR's stored in output buffer
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* excluding '\0' - as FormatMessage does*/
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return RetVal;
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}
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else
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return 0;
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}
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/*
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*
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* Parse command line parameters and set any options
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*
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*/
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BOOL ParseCmdline(int argc, char* argv[])
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{
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LPSTR Proto;
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CHAR c;
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INT i;
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if ((argc == 1) || (_istdigit(*argv[1])))
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bNoOptions = TRUE;
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/* Parse command line for options we have been given. */
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for (i = 1; i < argc; i++)
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{
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if ((argc > 1) && (argv[i][0] == '-' || argv[i][0] == '/'))
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{
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while ((c = *++argv[i]) != '\0')
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{
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switch (tolower(c))
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{
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case 'a' :
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bDoShowAllCons = TRUE;
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break;
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case 'b' :
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bDoShowProcName = TRUE;
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break;
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case 'e' :
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bDoShowEthStats = TRUE;
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break;
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case 'n' :
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bDoShowNumbers = TRUE;
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break;
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case 'p' :
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bDoShowProtoCons = TRUE;
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Proto = argv[i+1];
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if (!_stricmp("IP", Proto))
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Protocol = IP;
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else if (!_stricmp("ICMP", Proto))
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Protocol = ICMP;
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else if (!_stricmp("TCP", Proto))
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Protocol = TCP;
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else if (!_stricmp("UDP", Proto))
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Protocol = UDP;
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else
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{
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Usage();
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return EXIT_FAILURE;
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}
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break;
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case 'r' :
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bDoShowRouteTable = TRUE;
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break;
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case 's' :
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bDoShowProtoStats = TRUE;
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break;
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case 'v' :
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_tprintf(_T("got v\n"));
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bDoDispSeqComp = TRUE;
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break;
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default :
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Usage();
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return EXIT_FAILURE;
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}
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}
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}
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else if (_istdigit(*argv[i]))
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{
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if (_stscanf(argv[i], "%lu", &Interval) != EOF)
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bLoopOutput = TRUE;
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else
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return EXIT_FAILURE;
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}
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// else
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// {
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// Usage();
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// EXIT_FAILURE;
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// }
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}
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return EXIT_SUCCESS;
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}
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/*
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* Simulate Microsofts netstat utility output
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*/
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BOOL DisplayOutput()
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{
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if (bNoOptions)
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{
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_tprintf(_T("\n Proto Local Address Foreign Address State\n"));
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ShowTcpTable();
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return EXIT_SUCCESS;
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}
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if (bDoShowRouteTable)
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{
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/* mingw doesn't have lib for _tsystem */
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if (system("route print") == -1)
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{
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_tprintf(_T("cannot find 'route.exe'\n"));
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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if (bDoShowEthStats)
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{
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ShowEthernetStatistics();
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return EXIT_SUCCESS;
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}
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if (bDoShowProtoCons)
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{
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switch (Protocol)
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{
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case IP :
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if (bDoShowProtoStats)
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{
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ShowIpStatistics();
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return EXIT_SUCCESS;
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}
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break;
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case ICMP :
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if (bDoShowProtoStats)
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{
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ShowIcmpStatistics();
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return EXIT_SUCCESS;
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}
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break;
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case TCP :
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if (bDoShowProtoStats)
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ShowTcpStatistics();
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_tprintf(_T("\nActive Connections\n"));
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_tprintf(_T("\n Proto Local Address Foreign Address State\n"));
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ShowTcpTable();
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break;
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case UDP :
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if (bDoShowProtoStats)
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ShowUdpStatistics();
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_tprintf(_T("\nActive Connections\n"));
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_tprintf(_T("\n Proto Local Address Foreign Address State\n"));
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ShowUdpTable();
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break;
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default :
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break;
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}
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}
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else if (bDoShowProtoStats)
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{
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ShowIpStatistics();
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ShowIcmpStatistics();
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ShowTcpStatistics();
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ShowUdpStatistics();
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return EXIT_SUCCESS;
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}
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else
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{
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_tprintf(_T("\nActive Connections\n"));
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_tprintf(_T("\n Proto Local Address Foreign Address State\n"));
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ShowTcpTable();
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if (bDoShowAllCons)
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ShowUdpTable();
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}
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return EXIT_SUCCESS;
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}
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VOID ShowIpStatistics()
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{
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PMIB_IPSTATS pIpStats;
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DWORD dwRetVal;
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pIpStats = (MIB_IPSTATS*) HeapAlloc(GetProcessHeap(), 0, sizeof(MIB_IPSTATS));
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if ((dwRetVal = GetIpStatistics(pIpStats)) == NO_ERROR)
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{
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_tprintf(_T("\nIPv4 Statistics\n\n"));
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_tprintf(_T(" %-34s = %lu\n"), _T("Packets Received"), pIpStats->dwInReceives);
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_tprintf(_T(" %-34s = %lu\n"), _T("Received Header Errors"), pIpStats->dwInHdrErrors);
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_tprintf(_T(" %-34s = %lu\n"), _T("Received Address Errors"), pIpStats->dwInAddrErrors);
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_tprintf(_T(" %-34s = %lu\n"), _T("Datagrams Forwarded"), pIpStats->dwForwDatagrams);
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_tprintf(_T(" %-34s = %lu\n"), _T("Unknown Protocols Received"), pIpStats->dwInUnknownProtos);
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_tprintf(_T(" %-34s = %lu\n"), _T("Received Packets Discarded"), pIpStats->dwInDiscards);
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_tprintf(_T(" %-34s = %lu\n"), _T("Received Packets Delivered"), pIpStats->dwInDelivers);
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_tprintf(_T(" %-34s = %lu\n"), _T("Output Requests"), pIpStats->dwOutRequests);
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_tprintf(_T(" %-34s = %lu\n"), _T("Routing Discards"), pIpStats->dwRoutingDiscards);
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_tprintf(_T(" %-34s = %lu\n"), _T("Discarded Output Packets"), pIpStats->dwOutDiscards);
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_tprintf(_T(" %-34s = %lu\n"), _T("Output Packets No Route"), pIpStats->dwOutNoRoutes);
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_tprintf(_T(" %-34s = %lu\n"), _T("Reassembly Required"), pIpStats->dwReasmReqds);
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_tprintf(_T(" %-34s = %lu\n"), _T("Reassembly Succesful"), pIpStats->dwReasmOks);
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_tprintf(_T(" %-34s = %lu\n"), _T("Reassembly Failures"), pIpStats->dwReasmFails);
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// _tprintf(_T(" %-34s = %lu\n"), _T("Datagrams successfully fragmented"), NULL); /* FIXME: what is this one? */
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_tprintf(_T(" %-34s = %lu\n"), _T("Datagrams Failing Fragmentation"), pIpStats->dwFragFails);
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_tprintf(_T(" %-34s = %lu\n"), _T("Fragments Created"), pIpStats->dwFragCreates);
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}
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else
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DoFormatMessage(dwRetVal);
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HeapFree(GetProcessHeap(), 0, pIpStats);
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}
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VOID ShowIcmpStatistics()
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{
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PMIB_ICMP pIcmpStats;
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DWORD dwRetVal;
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pIcmpStats = (MIB_ICMP*) HeapAlloc(GetProcessHeap(), 0, sizeof(MIB_ICMP));
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if ((dwRetVal = GetIcmpStatistics(pIcmpStats)) == NO_ERROR)
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{
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_tprintf(_T("\nICMPv4 Statistics\n\n"));
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_tprintf(_T(" Received Sent\n"));
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_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Messages"),
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pIcmpStats->stats.icmpInStats.dwMsgs, pIcmpStats->stats.icmpOutStats.dwMsgs);
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_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Errors"),
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pIcmpStats->stats.icmpInStats.dwErrors, pIcmpStats->stats.icmpOutStats.dwErrors);
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_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Destination Unreachable"),
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pIcmpStats->stats.icmpInStats.dwDestUnreachs, pIcmpStats->stats.icmpOutStats.dwDestUnreachs);
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_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Time Exceeded"),
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pIcmpStats->stats.icmpInStats.dwTimeExcds, pIcmpStats->stats.icmpOutStats.dwTimeExcds);
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_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Parameter Problems"),
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pIcmpStats->stats.icmpInStats.dwParmProbs, pIcmpStats->stats.icmpOutStats.dwParmProbs);
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_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Source Quenches"),
|
||||
pIcmpStats->stats.icmpInStats.dwSrcQuenchs, pIcmpStats->stats.icmpOutStats.dwSrcQuenchs);
|
||||
_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Redirects"),
|
||||
pIcmpStats->stats.icmpInStats.dwRedirects, pIcmpStats->stats.icmpOutStats.dwRedirects);
|
||||
_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Echos"),
|
||||
pIcmpStats->stats.icmpInStats.dwEchos, pIcmpStats->stats.icmpOutStats.dwEchos);
|
||||
_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Echo Replies"),
|
||||
pIcmpStats->stats.icmpInStats.dwEchoReps, pIcmpStats->stats.icmpOutStats.dwEchoReps);
|
||||
_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Timestamps"),
|
||||
pIcmpStats->stats.icmpInStats.dwTimestamps, pIcmpStats->stats.icmpOutStats.dwTimestamps);
|
||||
_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Timestamp Replies"),
|
||||
pIcmpStats->stats.icmpInStats.dwTimestampReps, pIcmpStats->stats.icmpOutStats.dwTimestampReps);
|
||||
_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Address Masks"),
|
||||
pIcmpStats->stats.icmpInStats.dwAddrMasks, pIcmpStats->stats.icmpOutStats.dwAddrMasks);
|
||||
_tprintf(_T(" %-25s %-11lu %lu\n"), _T("Address Mask Replies"),
|
||||
pIcmpStats->stats.icmpInStats.dwAddrMaskReps, pIcmpStats->stats.icmpOutStats.dwAddrMaskReps);
|
||||
}
|
||||
else
|
||||
DoFormatMessage(dwRetVal);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, pIcmpStats);
|
||||
|
||||
}
|
||||
|
||||
VOID ShowTcpStatistics()
|
||||
{
|
||||
PMIB_TCPSTATS pTcpStats;
|
||||
DWORD dwRetVal;
|
||||
|
||||
pTcpStats = (MIB_TCPSTATS*) HeapAlloc(GetProcessHeap(), 0, sizeof(MIB_TCPSTATS));
|
||||
|
||||
if ((dwRetVal = GetTcpStatistics(pTcpStats)) == NO_ERROR)
|
||||
{
|
||||
_tprintf(_T("\nTCP Statistics for IPv4\n\n"));
|
||||
_tprintf(_T(" %-35s = %lu\n"), _T("Active Opens"), pTcpStats->dwActiveOpens);
|
||||
_tprintf(_T(" %-35s = %lu\n"), _T("Passive Opens"), pTcpStats->dwPassiveOpens);
|
||||
_tprintf(_T(" %-35s = %lu\n"), _T("Failed Connection Attempts"), pTcpStats->dwAttemptFails);
|
||||
_tprintf(_T(" %-35s = %lu\n"), _T("Reset Connections"), pTcpStats->dwEstabResets);
|
||||
_tprintf(_T(" %-35s = %lu\n"), _T("Current Connections"), pTcpStats->dwCurrEstab);
|
||||
_tprintf(_T(" %-35s = %lu\n"), _T("Segments Received"), pTcpStats->dwInSegs);
|
||||
_tprintf(_T(" %-35s = %lu\n"), _T("Segments Sent"), pTcpStats->dwOutSegs);
|
||||
_tprintf(_T(" %-35s = %lu\n"), _T("Segments Retransmitted"), pTcpStats->dwRetransSegs);
|
||||
}
|
||||
else
|
||||
DoFormatMessage(dwRetVal);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, pTcpStats);
|
||||
}
|
||||
|
||||
VOID ShowUdpStatistics()
|
||||
{
|
||||
PMIB_UDPSTATS pUdpStats;
|
||||
DWORD dwRetVal;
|
||||
|
||||
pUdpStats = (MIB_UDPSTATS*) HeapAlloc(GetProcessHeap(), 0, sizeof(MIB_UDPSTATS));
|
||||
|
||||
if ((dwRetVal = GetUdpStatistics(pUdpStats)) == NO_ERROR)
|
||||
{
|
||||
_tprintf(_T("\nUDP Statistics for IPv4\n\n"));
|
||||
_tprintf(_T(" %-21s = %lu\n"), _T("Datagrams Received"), pUdpStats->dwInDatagrams);
|
||||
_tprintf(_T(" %-21s = %lu\n"), _T("No Ports"), pUdpStats->dwNoPorts);
|
||||
_tprintf(_T(" %-21s = %lu\n"), _T("Receive Errors"), pUdpStats->dwInErrors);
|
||||
_tprintf(_T(" %-21s = %lu\n"), _T("Datagrams Sent"), pUdpStats->dwOutDatagrams);
|
||||
}
|
||||
else
|
||||
DoFormatMessage(dwRetVal);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, pUdpStats);
|
||||
}
|
||||
|
||||
VOID ShowEthernetStatistics()
|
||||
{
|
||||
PMIB_IFTABLE pIfTable;
|
||||
DWORD dwSize = 0;
|
||||
DWORD dwRetVal = 0;
|
||||
|
||||
pIfTable = (MIB_IFTABLE*) HeapAlloc(GetProcessHeap(), 0, sizeof(MIB_IFTABLE));
|
||||
|
||||
if (GetIfTable(pIfTable, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER)
|
||||
{
|
||||
HeapFree(GetProcessHeap(), 0, pIfTable);
|
||||
pIfTable = (MIB_IFTABLE*) HeapAlloc(GetProcessHeap(), 0, dwSize);
|
||||
|
||||
if ((dwRetVal = GetIfTable(pIfTable, &dwSize, 0)) == NO_ERROR)
|
||||
{
|
||||
_tprintf(_T("Interface Statistics\n\n"));
|
||||
_tprintf(_T(" Received Sent\n\n"));
|
||||
_tprintf(_T("%-20s %14lu %15lu\n"), _T("Bytes"),
|
||||
pIfTable->table[0].dwInOctets, pIfTable->table[0].dwOutOctets);
|
||||
_tprintf(_T("%-20s %14lu %15lu\n"), _T("Unicast packets"),
|
||||
pIfTable->table[0].dwInUcastPkts, pIfTable->table[0].dwOutUcastPkts);
|
||||
_tprintf(_T("%-20s %14lu %15lu\n"), _T("Non-unicast packets"),
|
||||
pIfTable->table[0].dwInNUcastPkts, pIfTable->table[0].dwOutNUcastPkts);
|
||||
_tprintf(_T("%-20s %14lu %15lu\n"), _T("Discards"),
|
||||
pIfTable->table[0].dwInDiscards, pIfTable->table[0].dwOutDiscards);
|
||||
_tprintf(_T("%-20s %14lu %15lu\n"), _T("Errors"),
|
||||
pIfTable->table[0].dwInErrors, pIfTable->table[0].dwOutErrors);
|
||||
_tprintf(_T("%-20s %14lu\n"), _T("Unknown Protocols"),
|
||||
pIfTable->table[0].dwInUnknownProtos);
|
||||
}
|
||||
else
|
||||
DoFormatMessage(dwRetVal);
|
||||
}
|
||||
HeapFree(GetProcessHeap(), 0, pIfTable);
|
||||
}
|
||||
|
||||
VOID ShowTcpTable()
|
||||
{
|
||||
PMIB_TCPTABLE tcpTable;
|
||||
DWORD error, dwSize;
|
||||
DWORD i;
|
||||
CHAR HostIp[HOSTNAMELEN], HostPort[PORTNAMELEN];
|
||||
CHAR RemoteIp[HOSTNAMELEN], RemotePort[PORTNAMELEN];
|
||||
CHAR Host[ADDRESSLEN];
|
||||
CHAR Remote[ADDRESSLEN];
|
||||
|
||||
/* Get the table of TCP endpoints */
|
||||
dwSize = sizeof (MIB_TCPTABLE);
|
||||
/* Should also work when we get new connections between 2 GetTcpTable()
|
||||
* calls: */
|
||||
do
|
||||
{
|
||||
tcpTable = (PMIB_TCPTABLE) HeapAlloc(GetProcessHeap(), 0, dwSize);
|
||||
error = GetTcpTable(tcpTable, &dwSize, TRUE);
|
||||
if ( error != NO_ERROR )
|
||||
HeapFree(GetProcessHeap(), 0, tcpTable);
|
||||
}
|
||||
while ( error == ERROR_INSUFFICIENT_BUFFER );
|
||||
|
||||
if (error != NO_ERROR)
|
||||
{
|
||||
printf("Failed to snapshot TCP endpoints.\n");
|
||||
DoFormatMessage(error);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
/* Dump the TCP table */
|
||||
for (i = 0; i < tcpTable->dwNumEntries; i++)
|
||||
{
|
||||
/* If we aren't showing all connections, only display established, close wait
|
||||
* and time wait. This is the default output for netstat */
|
||||
if (bDoShowAllCons || (tcpTable->table[i].dwState == MIB_TCP_STATE_ESTAB)
|
||||
|| (tcpTable->table[i].dwState == MIB_TCP_STATE_CLOSE_WAIT)
|
||||
|| (tcpTable->table[i].dwState == MIB_TCP_STATE_TIME_WAIT))
|
||||
{
|
||||
/* I've split this up so it's easier to follow */
|
||||
GetIpHostName(TRUE, tcpTable->table[i].dwLocalAddr, HostIp, HOSTNAMELEN);
|
||||
GetPortName(tcpTable->table[i].dwLocalPort, "tcp", HostPort, PORTNAMELEN);
|
||||
sprintf(Host, "%s:%s", HostIp, HostPort);
|
||||
|
||||
if (tcpTable->table[i].dwState == MIB_TCP_STATE_LISTEN)
|
||||
{
|
||||
sprintf(Remote, "%s:0", HostIp);
|
||||
}
|
||||
else
|
||||
{
|
||||
GetIpHostName(FALSE, tcpTable->table[i].dwRemoteAddr, RemoteIp, HOSTNAMELEN);
|
||||
GetPortName(tcpTable->table[i].dwRemotePort, "tcp", RemotePort, PORTNAMELEN);
|
||||
sprintf(Remote, "%s:%s", RemoteIp, RemotePort);
|
||||
}
|
||||
|
||||
_tprintf(_T(" %-6s %-22s %-22s %s\n"), _T("TCP"),
|
||||
Host, Remote, TcpState[tcpTable->table[i].dwState]);
|
||||
}
|
||||
}
|
||||
HeapFree(GetProcessHeap(), 0, tcpTable);
|
||||
}
|
||||
|
||||
VOID ShowUdpTable()
|
||||
{
|
||||
PMIB_UDPTABLE udpTable;
|
||||
DWORD error, dwSize;
|
||||
DWORD i;
|
||||
CHAR HostIp[HOSTNAMELEN], HostPort[PORTNAMELEN];
|
||||
CHAR Host[ADDRESSLEN];
|
||||
|
||||
/* Get the table of UDP endpoints */
|
||||
dwSize = 0;
|
||||
error = GetUdpTable(NULL, &dwSize, TRUE);
|
||||
if (error != ERROR_INSUFFICIENT_BUFFER)
|
||||
{
|
||||
printf("Failed to snapshot UDP endpoints.\n");
|
||||
DoFormatMessage(error);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
udpTable = (PMIB_UDPTABLE) HeapAlloc(GetProcessHeap(), 0, dwSize);
|
||||
error = GetUdpTable(udpTable, &dwSize, TRUE);
|
||||
if (error)
|
||||
{
|
||||
printf("Failed to snapshot UDP endpoints table.\n");
|
||||
DoFormatMessage(error);
|
||||
HeapFree(GetProcessHeap(), 0, udpTable);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
/* Dump the UDP table */
|
||||
for (i = 0; i < udpTable->dwNumEntries; i++)
|
||||
{
|
||||
|
||||
/* I've split this up so it's easier to follow */
|
||||
GetIpHostName(TRUE, udpTable->table[i].dwLocalAddr, HostIp, HOSTNAMELEN);
|
||||
GetPortName(udpTable->table[i].dwLocalPort, "tcp", HostPort, PORTNAMELEN);
|
||||
|
||||
sprintf(Host, "%s:%s", HostIp, HostPort);
|
||||
|
||||
_tprintf(_T(" %-6s %-22s %-22s\n"), _T("UDP"), Host, _T("*:*"));
|
||||
}
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, udpTable);
|
||||
}
|
||||
|
||||
/*
|
||||
* Translate port numbers into their text equivalent if there is one
|
||||
*/
|
||||
PCHAR
|
||||
GetPortName(UINT Port, PCSTR Proto, CHAR Name[], INT NameLen)
|
||||
{
|
||||
struct servent *pServent;
|
||||
|
||||
if (bDoShowNumbers)
|
||||
{
|
||||
sprintf(Name, "%d", htons((WORD)Port));
|
||||
return Name;
|
||||
}
|
||||
/* Try to translate to a name */
|
||||
if ((pServent = getservbyport(Port, Proto)))
|
||||
strcpy(Name, pServent->s_name );
|
||||
else
|
||||
sprintf(Name, "%d", htons((WORD)Port));
|
||||
return Name;
|
||||
}
|
||||
|
||||
/*
|
||||
* convert addresses into dotted decimal or hostname
|
||||
*/
|
||||
PCHAR
|
||||
GetIpHostName(BOOL Local, UINT IpAddr, CHAR Name[], int NameLen)
|
||||
{
|
||||
// struct hostent *phostent;
|
||||
UINT nIpAddr;
|
||||
|
||||
/* display dotted decimal */
|
||||
nIpAddr = htonl(IpAddr);
|
||||
if (bDoShowNumbers) {
|
||||
sprintf(Name, "%d.%d.%d.%d",
|
||||
(nIpAddr >> 24) & 0xFF,
|
||||
(nIpAddr >> 16) & 0xFF,
|
||||
(nIpAddr >> 8) & 0xFF,
|
||||
(nIpAddr) & 0xFF);
|
||||
return Name;
|
||||
}
|
||||
|
||||
Name[0] = _T('\0');
|
||||
|
||||
/* try to resolve the name */
|
||||
if (!IpAddr) {
|
||||
if (!Local) {
|
||||
sprintf(Name, "%d.%d.%d.%d",
|
||||
(nIpAddr >> 24) & 0xFF,
|
||||
(nIpAddr >> 16) & 0xFF,
|
||||
(nIpAddr >> 8) & 0xFF,
|
||||
(nIpAddr) & 0xFF);
|
||||
} else {
|
||||
if (gethostname(Name, NameLen) != 0)
|
||||
DoFormatMessage(WSAGetLastError());
|
||||
}
|
||||
} else if (IpAddr == 0x0100007f) {
|
||||
if (Local) {
|
||||
if (gethostname(Name, NameLen) != 0)
|
||||
DoFormatMessage(WSAGetLastError());
|
||||
} else {
|
||||
_tcsncpy(Name, _T("localhost"), 10);
|
||||
}
|
||||
// } else if (phostent = gethostbyaddr((char*)&ipaddr, sizeof(nipaddr), PF_INET)) {
|
||||
// strcpy(name, phostent->h_name);
|
||||
} else {
|
||||
sprintf(Name, "%d.%d.%d.%d",
|
||||
((nIpAddr >> 24) & 0x000000FF),
|
||||
((nIpAddr >> 16) & 0x000000FF),
|
||||
((nIpAddr >> 8) & 0x000000FF),
|
||||
((nIpAddr) & 0x000000FF));
|
||||
}
|
||||
return Name;
|
||||
}
|
||||
|
||||
VOID Usage()
|
||||
{
|
||||
_tprintf(_T("\nDisplays current TCP/IP protocol statistics and network connections.\n\n"
|
||||
"NETSTAT [-a] [-e] [-n] [-p proto] [-r] [-s] [interval]\n\n"
|
||||
" -a Displays all connections and listening ports.\n"
|
||||
" -e Displays Ethernet statistics. May be combined with -s\n"
|
||||
" option\n"
|
||||
" -n Displays address and port numbers in numeric form.\n"
|
||||
" -p proto Shows connections for protocol 'proto' TCP or UDP.\n"
|
||||
" If used with the -s option to display\n"
|
||||
" per-protocol statistics, 'proto' may be TCP, UDP, or IP.\n"
|
||||
" -r Displays the current routing table.\n"
|
||||
" -s Displays per-protocol statistics. By default, Statistics are\n"
|
||||
" shown for IP, ICMP, TCP and UDP;\n"
|
||||
" the -p option may be used to specify a subset of the default.\n"
|
||||
" interval Redisplays selected statistics every 'interval' seconds.\n"
|
||||
" Press CTRL+C to stop redisplaying. By default netstat will\n"
|
||||
" print the current information only once.\n"));
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
* Parse command line parameters and set any options
|
||||
* Run display output, looping over set intervals if a number is given
|
||||
*
|
||||
*/
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
WSADATA wsaData;
|
||||
|
||||
if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
|
||||
{
|
||||
_tprintf(_T("WSAStartup() failed : %d\n"), WSAGetLastError());
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (ParseCmdline(argc, argv))
|
||||
return -1;
|
||||
|
||||
if (bLoopOutput)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
if (DisplayOutput())
|
||||
return -1;
|
||||
Sleep(Interval*1000);
|
||||
}
|
||||
}
|
||||
|
||||
if (DisplayOutput())
|
||||
return -1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue