10 Oct
2005
10 Oct
'05
5:49 p.m.
Start of a rewrite for netstat.exe
- Simulate the output of the MS netstat tool
- implemented -a, -e, -n, -p, -r, -s and interval
Modified: trunk/reactos/apps/utils/net/netstat/netstat.c
Added: trunk/reactos/apps/utils/net/netstat/netstat.h
Modified: trunk/reactos/apps/utils/net/netstat/netstat.xml
Deleted: trunk/reactos/apps/utils/net/netstat/resource.h
Deleted: trunk/reactos/apps/utils/net/netstat/trace.c
Deleted: trunk/reactos/apps/utils/net/netstat/trace.h
_____
Modified: trunk/reactos/apps/utils/net/netstat/netstat.c
--- trunk/reactos/apps/utils/net/netstat/netstat.c 2005-10-10
15:42:08 UTC (rev 18396)
+++ trunk/reactos/apps/utils/net/netstat/netstat.c 2005-10-10
17:49:19 UTC (rev 18397)
@@ -1,254 +1,590 @@
/*
- * netstat - display IP stack statistics.
+ * ReactOS Win32 Applications
+ * Copyright (C) 2005 ReactOS Team
*
- * This source code is in the PUBLIC DOMAIN and has NO WARRANTY.
+ * This program is free software; you can redistribute it and/or
modify
+ * it under the terms of the GNU General Public License as published
by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
- * Robert Dickenson <robd(a)reactos.org>rg>, August 15, 2002.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-// Extensive reference made and use of source to netstatp by:
-// Copyright (C) 1998-2002 Mark Russinovich
-// www.sysinternals.com
+/*
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS netstat utility
+ * FILE: apps/utils/net/netstat/netstat.c
+ * PURPOSE: display IP stack statistics
+ * PROGRAMMERS: Ged Murphy (gedmurphy(a)gmail.com)
+ * REVISIONS:
+ * Ged Murphy 19/09/05 Created
+ * Some ideas/code taken from Rob Dickinson's original app
+ *
+ */
-#define ANY_SIZE 1
+/*
+ * TODO:
+ * rewrite DisplayOutput
+ * sort function return values. BOOL is crap
+ * implement -b, -o and -v
+ * clean up GetPortName and GetIpHostName
+ * command line parser needs more work
+ */
#include <windows.h>
#include <winsock.h>
#include <tchar.h>
#include <stdio.h>
-#include <ctype.h>
-#include <time.h>
-
-#include <iptypes.h>
-#include <ipexport.h>
-#include <tlhelp32.h>
#include <iphlpapi.h>
-#include <snmp.h>
+#include "netstat.h"
-#include "trace.h"
-#include "resource.h"
+CHAR localname[HOSTNAMELEN], remotename[HOSTNAMELEN];
+CHAR remoteport[PORTNAMELEN], localport[PORTNAMELEN];
+CHAR localaddr[ADDRESSLEN], remoteaddr[ADDRESSLEN];
+enum ProtoType {IP, TCP, UDP, ICMP} Protocol;
+DWORD Interval; /* time to pause between printing output */
-#define MAX_RESLEN 4000
-
-//
-// Possible TCP endpoint states
-//
-static char TcpState[][32] = {
- "???",
- "CLOSED",
- "LISTENING",
- "SYN_SENT",
- "SYN_RCVD",
- "ESTABLISHED",
- "FIN_WAIT1",
- "FIN_WAIT2",
- "CLOSE_WAIT",
- "CLOSING",
- "LAST_ACK",
- "TIME_WAIT",
- "DELETE_TCB"
+/* TCP endpoint states */
+TCHAR TcpState[][32] = {
+ _T("???"),
+ _T("CLOSED"),
+ _T("LISTENING"),
+ _T("SYN_SENT"),
+ _T("SYN_RCVD"),
+ _T("ESTABLISHED"),
+ _T("FIN_WAIT1"),
+ _T("FIN_WAIT2"),
+ _T("CLOSE_WAIT"),
+ _T("CLOSING"),
+ _T("LAST_ACK"),
+ _T("TIME_WAIT"),
+ _T("DELETE_TCB")
};
-static VOID PrintError(DWORD ErrorCode)
+
+/*
+ *
+ * Parse command line parameters and set any options
+ *
+ */
+BOOL ParseCmdline(int argc, char* argv[])
{
- LPVOID lpMsgBuf;
+ INT i;
- FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM,
- NULL, ErrorCode,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR)&lpMsgBuf, 0, NULL);
- printf("%s\n", (TCHAR*)lpMsgBuf);
- LocalFree(lpMsgBuf);
+ TCHAR Proto[5];
+
+ if ((argc == 1) || (isdigit(*argv[1])))
+ bNoOptions = TRUE;
+
+ /* Parse command line for options we have been given. */
+ for (i = 1; i < argc; i++)
+ {
+ if ( (argc > 1)&&(argv[i][0] == '-') )
+ {
+ TCHAR c;
+
+ while ((c = *++argv[i]) != '\0')
+ {
+ switch (tolower(c))
+ {
+ case 'a' :
+ //_tprintf(_T("got a\n"));
+ bDoShowAllCons = TRUE;
+ break;
+ case 'e' :
+ //_tprintf(_T("got e\n"));
+ bDoShowEthStats = TRUE;
+ break;
+ case 'n' :
+ //_tprintf(_T("got n\n"));
+ bDoShowNumbers = TRUE;
+ break;
+ case 's' :
+ //_tprintf(_T("got s\n"));
+ bDoShowProtoStats = TRUE;
+ break;
+ case 'p' :
+ //_tprintf(_T("got p\n"));
+ bDoShowProtoCons = TRUE;
+
+ strncpy(Proto, (++argv)[i], sizeof(Proto));
+ if (!_tcsicmp( "IP", Proto ))
+ Protocol = IP;
+ else if (!_tcsicmp( "ICMP", Proto ))
+ Protocol = ICMP;
+ else if (!_tcsicmp( "TCP", Proto ))
+ Protocol = TCP;
+ else if (!_tcsicmp( "UDP", Proto ))
+ Protocol = UDP;
+ else
+ {
+ Usage();
+ return EXIT_FAILURE;
+ }
+ (--argv)[i]; /* move pointer back down to
previous argv */
+ break;
+ case 'r' :
+ bDoShowRouteTable = FALSE;
+ break;
+ case 'v' :
+ _tprintf(_T("got v\n"));
+ bDoDispSeqComp = TRUE;
+ break;
+ default :
+ Usage();
+ return EXIT_FAILURE;
+ }
+ }
+ }
+ else if (isdigit(*argv[i]))
+ {
+ _stscanf(argv[i], "%lu", &Interval);
+ bLoopOutput = TRUE;
+ }
+// else
+// {
+// Usage();
+// EXIT_FAILURE;
+// }
+ }
+
+ return EXIT_SUCCESS;
}
-#if 0
-static void ShowTcpStatistics()
+/* Simulate Microsofts netstat utility output. It's a bit
+ * ugly and over nested, but it is a fairly acurate simulation
+ * It was easier for testing, I'll rewrite it later with flags
+ * For now, it works*/
+BOOL DisplayOutput()
+// FIXME: This whole function needs rewriting
{
- MIB_TCPSTATS TcpStatsMIB;
- GetTcpStatistics(&TcpStatsMIB);
+ if (bNoOptions)
+ {
+ _tprintf(_T("\n Proto Local Address Foreign Address
State\n"));
+ ShowTcpTable();
+ return EXIT_SUCCESS;
+ }
- _tprintf(_T("TCP/IP Statistics\t\n"));
- _tprintf(_T(" time-out algorithm:\t\t%lu\n"),
TcpStatsMIB.dwRtoAlgorithm);
- _tprintf(_T(" minimum time-out:\t\t%lu\n"), TcpStatsMIB.dwRtoMin);
- _tprintf(_T(" maximum time-out:\t\t%lu\n"), TcpStatsMIB.dwRtoMax);
- _tprintf(_T(" maximum connections:\t\t%lu\n"),
TcpStatsMIB.dwMaxConn);
- _tprintf(_T(" active opens:\t\t\t%lu\n"),
TcpStatsMIB.dwActiveOpens);
- _tprintf(_T(" passive opens:\t\t\t%lu\n"),
TcpStatsMIB.dwPassiveOpens);
- _tprintf(_T(" failed attempts:\t\t%lu\n"),
TcpStatsMIB.dwAttemptFails);
- _tprintf(_T(" established connections reset:\t%lu\n"),
TcpStatsMIB.dwEstabResets);
- _tprintf(_T(" established connections:\t%lu\n"),
TcpStatsMIB.dwCurrEstab);
- _tprintf(_T(" segments received:\t\t%lu\n"),
TcpStatsMIB.dwInSegs);
- _tprintf(_T(" segment sent:\t\t\t%lu\n"), TcpStatsMIB.dwOutSegs);
- _tprintf(_T(" segments retransmitted:\t\t%lu\n"),
TcpStatsMIB.dwRetransSegs);
- _tprintf(_T(" incoming errors:\t\t%lu\n"), TcpStatsMIB.dwInErrs);
- _tprintf(_T(" outgoing resets:\t\t%lu\n"), TcpStatsMIB.dwOutRsts);
- _tprintf(_T(" cumulative connections:\t\t%lu\n"),
TcpStatsMIB.dwNumConns);
+ if (bDoShowEthStats)
+ {
+ ShowEthernetStatistics();
+ return EXIT_SUCCESS;
+ }
+
+ if (bDoShowRouteTable)
+ {
+ if (system("route print") == -1)
+ {
+ //mingw doesn't have lib for _tsystem
+ _tprintf(_T("cannot find 'route.exe'\n"));
+ return EXIT_FAILURE;
+ }
+ }
+
+ /* output connections: -a */
+ if (bDoShowAllCons)
+ {
+ /* filter out certain protocols: -p */
+ if (bDoShowProtoCons)
+ {
+ /* do we want to list the stats: -s */
+ if (bDoShowProtoStats)
+ {
+ switch (Protocol)
+ {
+ case IP :
+ ShowIpStatistics();
+ break;
+ case ICMP :
+ ShowIcmpStatistics();
+ break;
+ case TCP :
+ ShowTcpStatistics();
+ _tprintf(_T("\nActive Connections\n"));
+ _tprintf(_T("\n Proto Local Address
Foreign Address State\n"));
+ ShowTcpTable();
+ break;
+ case UDP :
+ ShowUdpStatistics();
+ _tprintf(_T("\nActive Connections\n"));
+ _tprintf(_T("\n Proto Local Address
Foreign Address State\n"));
+ ShowUdpTable();
+ break;
+ default :
+ break;
+ }
+ return EXIT_SUCCESS;
+ }
+ else
+ {
+ switch (Protocol)
+ {
+ case IP :
+ break;
+ case ICMP :
+ ShowIcmpStatistics();
+ break;
+ case TCP :
+ _tprintf(_T("\nActive Connections\n"));
+ _tprintf(_T("\n Proto Local Address
Foreign Address State\n"));
+ ShowTcpTable();
+ break;
+ case UDP :
+ _tprintf(_T("\nActive Connections\n"));
+ _tprintf(_T("\n Proto Local Address
Foreign Address State\n"));
+ ShowUdpTable();
+ break;
+ default :
+ break;
+ }
+ return EXIT_SUCCESS;
+ }
+
+ }
+ else
+ {
+ _tprintf(_T("\nActive Connections\n"));
+ _tprintf(_T("\n Proto Local Address Foreign
Address State\n"));
+ ShowTcpTable();
+ ShowUdpTable();
+ return EXIT_SUCCESS;
+ }
+ }
+
+ /* do we want to list the stats: -s */
+ if (bDoShowProtoStats)
+ {
+ if (bDoShowProtoCons) // -p
+ {
+ /* show individual protocols only */
+ switch (Protocol)
+ {
+ case IP :
+ ShowIpStatistics();
+ break;
+ case ICMP :
+ ShowIcmpStatistics();
+ break;
+ case TCP :
+ ShowTcpStatistics();
+ _tprintf(_T("\nActive Connections\n"));
+ _tprintf(_T("\n Proto Local Address
Foreign Address State\n"));
+ ShowTcpTable();
+ break;
+ case UDP :
+ ShowUdpStatistics();
+ _tprintf(_T("\nActive Connections\n"));
+ _tprintf(_T("\n Proto Local Address
Foreign Address State\n"));
+ ShowUdpTable();
+ break;
+ default :
+ break;
+ }
+ return EXIT_SUCCESS;
+ }
+ else
+ {
+ /* list the lot */
+ ShowIpStatistics();
+ ShowIcmpStatistics();
+ ShowTcpStatistics();
+ ShowUdpStatistics();
+ return EXIT_SUCCESS;
+ }
+ }
+ return EXIT_SUCCESS;
}
-static void ShowUdpStatistics()
+
+/* format message string and display output */
+DWORD DoFormatMessage(DWORD ErrorCode)
{
- MIB_UDPSTATS UDPStatsMIB;
- GetUdpStatistics(&UDPStatsMIB);
+ LPVOID lpMsgBuf;
+ DWORD RetVal;
- _tprintf(_T("UDP Statistics\t\n"));
- _tprintf(_T(" received datagrams:\t\t\t%lu\n"),
UDPStatsMIB.dwInDatagrams);
- _tprintf(_T(" datagrams for which no port exists:\t%lu\n"),
UDPStatsMIB.dwNoPorts);
- _tprintf(_T(" errors on received datagrams:\t\t%lu\n"),
UDPStatsMIB.dwInErrors);
- _tprintf(_T(" sent datagrams:\t\t\t\t%lu\n"),
UDPStatsMIB.dwOutDatagrams);
- _tprintf(_T(" number of entries in listener table:\t%lu\n"),
UDPStatsMIB.dwNumAddrs);
+ if ((RetVal = FormatMessage(
+ FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL,
+ ErrorCode,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default
language */
+ (LPTSTR) &lpMsgBuf,
+ 0,
+ NULL )))
+ {
+ _tprintf(_T("%s"), (LPTSTR)lpMsgBuf);
+
+ LocalFree(lpMsgBuf);
+ /* return number of TCHAR's stored in output buffer
+ * excluding '\0' - as FormatMessage does*/
+ return RetVal;
+ }
+ else
+ return 0;
}
-static void ShowIpStatistics()
+
+VOID ShowIpStatistics()
{
- MIB_IPSTATS IPStatsMIB;
- GetIpStatistics(&IPStatsMIB);
+ PMIB_IPSTATS pIpStats;
+ DWORD dwRetVal;
- _tprintf(_T("IP Statistics\t\n"));
- _tprintf(_T(" IP forwarding enabled or disabled:\t%lu\n"),
IPStatsMIB.dwForwarding);
- _tprintf(_T(" default time-to-live:\t\t\t%lu\n"),
IPStatsMIB.dwDefaultTTL);
- _tprintf(_T(" datagrams received:\t\t\t%lu\n"),
IPStatsMIB.dwInReceives);
- _tprintf(_T(" received header errors:\t\t\t%lu\n"),
IPStatsMIB.dwInHdrErrors);
- _tprintf(_T(" received address errors:\t\t%lu\n"),
IPStatsMIB.dwInAddrErrors);
- _tprintf(_T(" datagrams forwarded:\t\t\t%lu\n"),
IPStatsMIB.dwForwDatagrams);
- _tprintf(_T(" datagrams with unknown protocol:\t%lu\n"),
IPStatsMIB.dwInUnknownProtos);
- _tprintf(_T(" received datagrams discarded:\t\t%lu\n"),
IPStatsMIB.dwInDiscards);
- _tprintf(_T(" received datagrams delivered:\t\t%lu\n"),
IPStatsMIB.dwInDelivers);
- _tprintf(_T(" sent datagrams discarded:\t\t%lu\n"),
IPStatsMIB.dwOutDiscards);
- _tprintf(_T(" datagrams for which no route exists:\t%lu\n"),
IPStatsMIB.dwOutNoRoutes);
- _tprintf(_T(" datagrams for which frags didn't arrive:%lu\n"),
IPStatsMIB.dwReasmTimeout);
- _tprintf(_T(" datagrams requiring reassembly:\t\t%lu\n"),
IPStatsMIB.dwReasmReqds);
- _tprintf(_T(" successful reassemblies:\t\t%lu\n"),
IPStatsMIB.dwReasmOks);
- _tprintf(_T(" failed reassemblies:\t\t\t%lu\n"),
IPStatsMIB.dwReasmFails);
- _tprintf(_T(" successful fragmentations:\t\t%lu\n"),
IPStatsMIB.dwFragOks);
- _tprintf(_T(" failed fragmentations:\t\t\t%lu\n"),
IPStatsMIB.dwFragFails);
- _tprintf(_T(" datagrams fragmented:\t\t\t%lu\n"),
IPStatsMIB.dwFragCreates);
- _tprintf(_T(" number of interfaces on computer:\t%lu\n"),
IPStatsMIB.dwNumIf);
- _tprintf(_T(" number of IP address on computer:\t%lu\n"),
IPStatsMIB.dwNumAddr);
- _tprintf(_T(" number of routes in routing table:\t%lu\n"),
IPStatsMIB.dwNumRoutes);
+ pIpStats = (MIB_IPSTATS*) malloc(sizeof(MIB_IPSTATS));
+
+ if ((dwRetVal = GetIpStatistics(pIpStats)) == NO_ERROR)
+ {
+ _tprintf(_T("\nIPv4 Statistics\n\n"));
+ _tprintf(_T(" %-34s = %lu\n"), _T("Packets Recieved"),
pIpStats->dwInReceives);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Received Header
Errors"),
pIpStats->dwInHdrErrors);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Received Address
Errors"),
pIpStats->dwInAddrErrors);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Datagrams Forwarded"),
pIpStats->dwForwDatagrams);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Unknown Protocols
Recieved"), pIpStats->dwInUnknownProtos);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Received Packets
Discarded"), pIpStats->dwInDiscards);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Recieved Packets
Delivered"), pIpStats->dwInDelivers);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Output Requests"),
pIpStats->dwOutRequests);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Routing Discards"),
pIpStats->dwRoutingDiscards);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Discarded Output
Packets"),
pIpStats->dwOutDiscards);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Output Packets No
Route"),
pIpStats->dwOutNoRoutes);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Reassembly Required"),
pIpStats->dwReasmReqds);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Reassembly Succesful"),
pIpStats->dwReasmOks);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Reassembly Failures"),
pIpStats->dwReasmFails);
+ // _tprintf(_T(" %-34s = %lu\n"), _T("Datagrams succesfully
fragmented"), NULL); /* FIXME: what is this one? */
+ _tprintf(_T(" %-34s = %lu\n"), _T("Datagrams Failing
Fragmentation"), pIpStats->dwFragFails);
+ _tprintf(_T(" %-34s = %lu\n"), _T("Fragments Created"),
pIpStats->dwFragCreates);
+ }
+ else
+ DoFormatMessage(dwRetVal);
}
-static void ShowNetworkParams()
+VOID ShowIcmpStatistics()
{
- FIXED_INFO* FixedInfo;
- IP_ADDR_STRING* pIPAddr;
- ULONG ulOutBufLen;
+ PMIB_ICMP pIcmpStats;
DWORD dwRetVal;
- _tprintf(_T("Network Parameters\t\n"));
+ pIcmpStats = (MIB_ICMP*) malloc(sizeof(MIB_ICMP));
- FixedInfo = (FIXED_INFO*)GlobalAlloc(GPTR, sizeof(FIXED_INFO));
- ulOutBufLen = sizeof(FIXED_INFO);
- if (ERROR_BUFFER_OVERFLOW == GetNetworkParams(FixedInfo,
&ulOutBufLen)) {
- GlobalFree(FixedInfo);
- FixedInfo =(FIXED_INFO*)GlobalAlloc(GPTR, ulOutBufLen);
+ if ((dwRetVal = GetIcmpStatistics(pIcmpStats)) == NO_ERROR)
+ {
+ _tprintf(_T("\nICMPv4 Statistics\n\n"));
+ _tprintf(_T(" Received Sent\n"));
+ _tprintf(_T(" %-25s %-11lu %lu\n"), _T("Messages"),
+ pIcmpStats->stats.icmpInStats.dwMsgs,
pIcmpStats->stats.icmpOutStats.dwMsgs);
+ _tprintf(_T(" %-25s %-11lu %lu\n"), _T("Errors"),
+ pIcmpStats->stats.icmpInStats.dwErrors,
pIcmpStats->stats.icmpOutStats.dwErrors);
+ _tprintf(_T(" %-25s %-11lu %lu\n"), _T("Destination
Unreachable"),
+ pIcmpStats->stats.icmpInStats.dwDestUnreachs,
pIcmpStats->stats.icmpOutStats.dwDestUnreachs);
+ _tprintf(_T(" %-25s %-11lu %lu\n"), _T("Time Exceeded"),
+ pIcmpStats->stats.icmpInStats.dwTimeExcds,
pIcmpStats->stats.icmpOutStats.dwTimeExcds);
+ _tprintf(_T(" %-25s %-11lu %lu\n"), _T("Parameter
Problems"),
+ pIcmpStats->stats.icmpInStats.dwParmProbs,
pIcmpStats->stats.icmpOutStats.dwParmProbs);
+ _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);
}
- if ((dwRetVal = GetNetworkParams(FixedInfo, &ulOutBufLen))) {
- _tprintf(_T("Call to GetNetworkParams failed. Return Value:
0x%08lx\n"), dwRetVal);
- } else {
- printf(" Host Name: %s", FixedInfo->HostName);
- printf("\n Domain Name: %s", FixedInfo->DomainName);
- printf("\n DNS Servers:\t%s\n",
FixedInfo->DnsServerList.IpAddress.String);
- pIPAddr = FixedInfo->DnsServerList.Next;
- while (pIPAddr) {
- printf("\t\t\t%s\n", pIPAddr->IpAddress.String);
- pIPAddr = pIPAddr->Next;
- }
+ else
+ DoFormatMessage(dwRetVal);
+
+}
+
+VOID ShowTcpStatistics()
+{
+ PMIB_TCPSTATS pTcpStats;
+ DWORD dwRetVal;
+
+ pTcpStats = (MIB_TCPSTATS*) malloc(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 Recieved"),
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);
}
-static void ShowAdapterInfo()
+VOID ShowUdpStatistics()
{
- IP_ADAPTER_INFO* pAdaptorInfo;
- ULONG ulOutBufLen;
+ PMIB_UDPSTATS pUdpStats;
DWORD dwRetVal;
- _tprintf(_T("\nAdaptor Information\t\n"));
- pAdaptorInfo = (IP_ADAPTER_INFO*)GlobalAlloc(GPTR,
sizeof(IP_ADAPTER_INFO));
- ulOutBufLen = sizeof(IP_ADAPTER_INFO);
+ pUdpStats = (MIB_UDPSTATS*) malloc(sizeof(MIB_UDPSTATS));
- if (ERROR_BUFFER_OVERFLOW == GetAdaptersInfo(pAdaptorInfo,
&ulOutBufLen)) {
- GlobalFree(pAdaptorInfo);
- pAdaptorInfo = (IP_ADAPTER_INFO*)GlobalAlloc(GPTR,
ulOutBufLen);
+ if ((dwRetVal = GetUdpStatistics(pUdpStats)) == NO_ERROR)
+ {
+ _tprintf(_T("\nUDP Statistics for IPv4\n\n"));
+ _tprintf(_T(" %-21s = %lu\n"), _T("Datagrams Recieved"),
pUdpStats->dwInDatagrams);
+ _tprintf(_T(" %-21s = %lu\n"), _T("No Ports"),
pUdpStats->dwNoPorts);
+ _tprintf(_T(" %-21s = %lu\n"), _T("Recieve Errors"),
pUdpStats->dwInErrors);
+ _tprintf(_T(" %-21s = %lu\n"), _T("Datagrams Sent"),
pUdpStats->dwOutDatagrams);
}
- if ((dwRetVal = GetAdaptersInfo(pAdaptorInfo, &ulOutBufLen))) {
- _tprintf(_T("Call to GetAdaptersInfo failed. Return Value:
0x%08lx\n"), dwRetVal);
- } else {
- while (pAdaptorInfo) {
- printf(" AdapterName: %s\n", pAdaptorInfo->AdapterName);
- printf(" Description: %s\n", pAdaptorInfo->Description);
- pAdaptorInfo = pAdaptorInfo->Next;
+ else
+ DoFormatMessage(dwRetVal);
+}
+
+VOID ShowEthernetStatistics()
+{
+ PMIB_IFTABLE pIfTable;
+ DWORD dwSize = 0;
+ DWORD dwRetVal = 0;
+
+ pIfTable = (MIB_IFTABLE*) malloc(sizeof(MIB_IFTABLE));
+
+ if (GetIfTable(pIfTable, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER)
+ {
+ GlobalFree(pIfTable);
+ pIfTable = (MIB_IFTABLE*) malloc(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);
}
}
-#endif
-// Maximum string lengths for ASCII ip address and port names
-//
-#define HOSTNAMELEN 256
-#define PORTNAMELEN 256
-#define ADDRESSLEN HOSTNAMELEN+PORTNAMELEN
+VOID ShowTcpTable()
+{
+ PMIB_TCPTABLE tcpTable;
+ DWORD error, dwSize;
+ DWORD i;
-//
-// Our option flags
-//
-#define FLAG_SHOW_ALL_ENDPOINTS 1
-#define FLAG_SHOW_ETH_STATS 2
-#define FLAG_SHOW_NUMBERS 3
-#define FLAG_SHOW_PROT_CONNECTIONS 4
-#define FLAG_SHOW_ROUTE_TABLE 5
-#define FLAG_SHOW_PROT_STATS 6
-#define FLAG_SHOW_INTERVAL 7
+ // Get the table of TCP endpoints
+ dwSize = 0;
+ error = GetTcpTable(NULL, &dwSize, TRUE);
+ if (error != ERROR_INSUFFICIENT_BUFFER)
+ {
+ printf("Failed to snapshot TCP endpoints.\n");
+ DoFormatMessage(error);
+ exit(EXIT_FAILURE);
+ }
+ tcpTable = (PMIB_TCPTABLE)malloc(dwSize);
+ error = GetTcpTable(tcpTable, &dwSize, TRUE );
+ if (error)
+ {
+ printf("Failed to snapshot TCP endpoints table.\n");
+ DoFormatMessage(error);
+ exit(EXIT_FAILURE);
+ }
+ // Dump the TCP table
+ for (i = 0; i < tcpTable->dwNumEntries; i++)
+ {
+ if (bDoShowAllCons || (tcpTable->table[i].dwState ==
+ MIB_TCP_STATE_ESTAB))
+ {
+ sprintf(localaddr, "%s:%s",
+ GetIpHostName(TRUE, tcpTable->table[i].dwLocalAddr,
localname, HOSTNAMELEN),
+ GetPortName(tcpTable->table[i].dwLocalPort, "tcp",
localport, PORTNAMELEN));
+ sprintf(remoteaddr, "%s:%s",
+ GetIpHostName(FALSE, tcpTable->table[i].dwRemoteAddr,
remotename, HOSTNAMELEN),
+ tcpTable->table[i].dwRemoteAddr ?
+ GetPortName(tcpTable->table[i].dwRemotePort, "tcp",
remoteport, PORTNAMELEN):
+ "0");
+ _tprintf(_T(" %-6s %-22s %-22s %s\n"), _T("TCP"),
localaddr, remoteaddr, TcpState[tcpTable->table[i].dwState]);
+ }
+ }
+}
-// Undocumented extended information structures available only on XP
and higher
-typedef struct {
- DWORD dwState; // state of the connection
- DWORD dwLocalAddr; // address on local computer
- DWORD dwLocalPort; // port number on local computer
- DWORD dwRemoteAddr; // address on remote computer
- DWORD dwRemotePort; // port number on remote computer
- DWORD dwProcessId;
-} MIB_TCPEXROW, *PMIB_TCPEXROW;
+VOID ShowUdpTable()
+{
+ PMIB_UDPTABLE udpTable;
+ DWORD error, dwSize;
+ DWORD i;
-typedef struct {
- DWORD dwNumEntries;
- MIB_TCPEXROW table[ANY_SIZE];
-} MIB_TCPEXTABLE, *PMIB_TCPEXTABLE;
+ // 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)malloc(dwSize);
+ error = GetUdpTable(udpTable, &dwSize, TRUE);
+ if (error)
+ {
+ printf("Failed to snapshot UDP endpoints table.\n");
+ DoFormatMessage(error);
+ exit(EXIT_FAILURE);
+ }
-typedef struct {
- DWORD dwLocalAddr; // address on local computer
- DWORD dwLocalPort; // port number on local computer
- DWORD dwProcessId;
-} MIB_UDPEXROW, *PMIB_UDPEXROW;
+ // Dump the UDP table
+ for (i = 0; i < udpTable->dwNumEntries; i++)
+ {
+ sprintf(localaddr, "%s:%s",
+ GetIpHostName(TRUE, udpTable->table[i].dwLocalAddr,
localname, HOSTNAMELEN),
+ GetPortName(udpTable->table[i].dwLocalPort, "tcp",
localport, PORTNAMELEN));
+ _tprintf(_T(" %-6s %-22s %-22s\n"), _T("UDP"), localaddr,
_T(":*:"));
+ }
+}
-typedef struct {
- DWORD dwNumEntries;
- MIB_UDPEXROW table[ANY_SIZE];
-} MIB_UDPEXTABLE, *PMIB_UDPEXTABLE;
-
//
// GetPortName
//
// Translate port numbers into their text equivalent if there is one
//
-static PCHAR
-GetPortName(DWORD Flags, UINT port, PCHAR proto, PCHAR name, int
namelen)
+PCHAR
+GetPortName(UINT port, PCHAR proto, PCHAR name, int namelen)
{
- struct servent *psrvent;
+ struct servent *psrvent;
- if (Flags & FLAG_SHOW_NUMBERS) {
- sprintf(name, "%d", htons((WORD)port));
- return name;
- }
- // Try to translate to a name
- if ((psrvent = getservbyport(port, proto))) {
- strcpy(name, psrvent->s_name );
- } else {
- sprintf(name, "%d", htons((WORD)port));
- }
- return name;
+ if (bDoShowNumbers) {
+ sprintf(name, "%d", htons((WORD)port));
+ return name;
+ }
+ // Try to translate to a name
+ if ((psrvent = getservbyport(port, proto))) {
+ strcpy(name, psrvent->s_name );
+ } else {
+ sprintf(name, "%d", htons((WORD)port));
+ }
+ return name;
}
@@ -257,265 +593,100 @@
//
// Translate IP addresses into their name-resolved form if possible.
//
-static PCHAR
-GetIpHostName(DWORD Flags, BOOL local, UINT ipaddr, PCHAR name, int
namelen)
+PCHAR
+GetIpHostName(BOOL local, UINT ipaddr, PCHAR name, int namelen)
{
-// struct hostent *phostent;
- UINT nipaddr;
+// struct hostent *phostent;
+ UINT nipaddr;
- // Does the user want raw numbers?
- nipaddr = htonl(ipaddr);
- if (Flags & FLAG_SHOW_NUMBERS ) {
- sprintf(name, "%d.%d.%d.%d",
- (nipaddr >> 24) & 0xFF,
- (nipaddr >> 16) & 0xFF,
- (nipaddr >> 8) & 0xFF,
- (nipaddr) & 0xFF);
- return name;
- }
+ // Does the user want raw numbers?
+ 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');
+ name[0] = _T('\0');
- // Try to translate to a name
- if (!ipaddr) {
- if (!local) {
- sprintf(name, "%d.%d.%d.%d",
- (nipaddr >> 24) & 0xFF,
- (nipaddr >> 16) & 0xFF,
- (nipaddr >> 8) & 0xFF,
- (nipaddr) & 0xFF);
- } else {
- //gethostname(name, namelen);
- }
- } else if (ipaddr == 0x0100007f) {
- if (local) {
- //gethostname(name, namelen);
- } else {
- strcpy(name, "localhost");
- }
-// } else if (phostent = gethostbyaddr((char*)&ipaddr,
sizeof(nipaddr), PF_INET)) {
-// strcpy(name, phostent->h_name);
- } else {
-#if 0
- int i1, i2, i3, i4;
-
- i1 = (nipaddr >> 24) & 0x000000FF;
- i2 = (nipaddr >> 16) & 0x000000FF;
- i3 = (nipaddr >> 8) & 0x000000FF;
- i4 = (nipaddr) & 0x000000FF;
-
- i1 = 10;
- i2 = 20;
- i3 = 30;
- i4 = 40;
-
- sprintf(name, "%d.%d.%d.%d", i1,i2,i3,i4);
-#else
- sprintf(name, "%d.%d.%d.%d",
- ((nipaddr >> 24) & 0x000000FF),
- ((nipaddr >> 16) & 0x000000FF),
- ((nipaddr >> 8) & 0x000000FF),
- ((nipaddr) & 0x000000FF));
-#endif
- }
- return name;
+ // Try to translate to a name
+ if (!ipaddr) {
+ if (!local) {
+ sprintf(name, "%d.%d.%d.%d",
+ (nipaddr >> 24) & 0xFF,
+ (nipaddr >> 16) & 0xFF,
+ (nipaddr >> 8) & 0xFF,
+ (nipaddr) & 0xFF);
+ } else {
+ //gethostname(name, namelen);
+ }
+ } else if (ipaddr == 0x0100007f) {
+ if (local) {
+ //gethostname(name, namelen);
+ } else {
+ strcpy(name, "localhost");
+ }
+// } 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;
}
-static BOOLEAN usage(void)
+VOID Usage()
{
- TCHAR buffer[MAX_RESLEN];
-
- LoadString(GetModuleHandle(NULL), IDS_APP_USAGE, buffer,
sizeof(buffer)/sizeof(buffer[0]));
- _fputts(buffer, stderr);
- return FALSE;
+ _tprintf(_T("Displays current TCP/IP protocol statistics and
network connections.\n\n"
+ "NETSTAT [-a] [-e] [-n] [-s] [-p proto] [-r] [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"));
}
-//
-// GetOptions
-//
-// Parses the command line arguments.
-//
-static BOOLEAN
-GetOptions(int argc, char *argv[], PDWORD pFlags)
-{
- int i, j;
- BOOLEAN skipArgument;
- *pFlags = 0;
- for (i = 1; i < argc; i++) {
- skipArgument = FALSE;
- switch (argv[i][0]) {
- case '-':
- case '/':
- j = 1;
- while (argv[i][j]) {
- switch (toupper(argv[i][j])) {
- case 'A':
- *pFlags |=
FLAG_SHOW_ALL_ENDPOINTS;
- break;
- case 'E':
- *pFlags |= FLAG_SHOW_ETH_STATS;
- break;
- case 'N':
- *pFlags |= FLAG_SHOW_NUMBERS;
- break;
- case 'P':
- *pFlags |=
FLAG_SHOW_PROT_CONNECTIONS;
- break;
- case 'R':
- *pFlags |=
FLAG_SHOW_ROUTE_TABLE;
- break;
- case 'S':
- *pFlags |= FLAG_SHOW_PROT_STATS;
- break;
- default:
- return usage();
- }
- if (skipArgument) break;
- j++;
- }
- break;
- case 'i':
- *pFlags |= FLAG_SHOW_INTERVAL;
- break;
- default:
- return usage();
- }
- }
- return TRUE;
-}
-#if 1
- CHAR localname[HOSTNAMELEN], remotename[HOSTNAMELEN];
- CHAR remoteport[PORTNAMELEN], localport[PORTNAMELEN];
- CHAR localaddr[ADDRESSLEN], remoteaddr[ADDRESSLEN];
-
-int main(int argc, char *argv[])
-{
- PMIB_TCPTABLE tcpTable;
- PMIB_UDPTABLE udpTable;
- DWORD error, dwSize;
- DWORD i, flags;
-
- // Get options
- if (!GetOptions(argc, argv, &flags)) {
- return -1;
- } else {
- // Get the table of TCP endpoints
- dwSize = 0;
- error = GetTcpTable(NULL, &dwSize, TRUE);
- if (error != ERROR_INSUFFICIENT_BUFFER) {
- printf("Failed to snapshot TCP endpoints.\n");
- PrintError(error);
- return -1;
- }
- tcpTable = (PMIB_TCPTABLE)malloc(dwSize);
- error = GetTcpTable(tcpTable, &dwSize, TRUE );
- if (error) {
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