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reactos/rosapps/net/netstat/netstat.c
Steven Edwards f4ee51ec85 Build fixes for w32api. 
svn path=/trunk/; revision=7590
2004-01-12 22:45:53 +00:00

523 lines
15 KiB
C
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/*
* netstat - display IP stack statistics.
*
* This source code is in the PUBLIC DOMAIN and has NO WARRANTY.
*
* Robert Dickenson <robd@reactos.org>, August 15, 2002.
*/
// Extensive reference made and use of source to netstatp by:
// Copyright (C) 1998-2002 Mark Russinovich
// www.sysinternals.com
#define ANY_SIZE 1
#include <windows.h>
#include <winsock.h>
#include <tchar.h>
#include <stdio.h>
#include <time.h>
#ifdef __GNUC__
#undef WINAPI
#define WINAPI
#endif
#include <iptypes.h>
#include <ipexport.h>
#include <tlhelp32.h>
#include <iphlpapi.h>
#include <snmp.h>
#include "trace.h"
#include "resource.h"
#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"
};
VOID PrintError(DWORD ErrorCode)
{
LPVOID lpMsgBuf;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, ErrorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&lpMsgBuf, 0, NULL);
printf("%s\n", lpMsgBuf);
LocalFree(lpMsgBuf);
}
static void ShowTcpStatistics()
{
MIB_TCPSTATS TcpStatsMIB;
GetTcpStatistics(&TcpStatsMIB);
_tprintf(_T("TCP/IP Statistics\t\n"));
_tprintf(_T(" time-out algorithm:\t\t%d\n"), TcpStatsMIB.dwRtoAlgorithm);
_tprintf(_T(" minimum time-out:\t\t%d\n"), TcpStatsMIB.dwRtoMin);
_tprintf(_T(" maximum time-out:\t\t%d\n"), TcpStatsMIB.dwRtoMax);
_tprintf(_T(" maximum connections:\t\t%d\n"), TcpStatsMIB.dwMaxConn);
_tprintf(_T(" active opens:\t\t\t%d\n"), TcpStatsMIB.dwActiveOpens);
_tprintf(_T(" passive opens:\t\t\t%d\n"), TcpStatsMIB.dwPassiveOpens);
_tprintf(_T(" failed attempts:\t\t%d\n"), TcpStatsMIB.dwAttemptFails);
_tprintf(_T(" established connections reset:\t%d\n"), TcpStatsMIB.dwEstabResets);
_tprintf(_T(" established connections:\t%d\n"), TcpStatsMIB.dwCurrEstab);
_tprintf(_T(" segments received:\t\t%d\n"), TcpStatsMIB.dwInSegs);
_tprintf(_T(" segment sent:\t\t\t%d\n"), TcpStatsMIB.dwOutSegs);
_tprintf(_T(" segments retransmitted:\t\t%d\n"), TcpStatsMIB.dwRetransSegs);
_tprintf(_T(" incoming errors:\t\t%d\n"), TcpStatsMIB.dwInErrs);
_tprintf(_T(" outgoing resets:\t\t%d\n"), TcpStatsMIB.dwOutRsts);
_tprintf(_T(" cumulative connections:\t\t%d\n"), TcpStatsMIB.dwNumConns);
}
static void ShowUdpStatistics()
{
MIB_UDPSTATS UDPStatsMIB;
GetUdpStatistics(&UDPStatsMIB);
_tprintf(_T("UDP Statistics\t\n"));
_tprintf(_T(" received datagrams:\t\t\t%d\n"), UDPStatsMIB.dwInDatagrams);
_tprintf(_T(" datagrams for which no port exists:\t%d\n"), UDPStatsMIB.dwNoPorts);
_tprintf(_T(" errors on received datagrams:\t\t%d\n"), UDPStatsMIB.dwInErrors);
_tprintf(_T(" sent datagrams:\t\t\t\t%d\n"), UDPStatsMIB.dwOutDatagrams);
_tprintf(_T(" number of entries in listener table:\t%d\n"), UDPStatsMIB.dwNumAddrs);
}
static void ShowIpStatistics()
{
MIB_IPSTATS IPStatsMIB;
GetIpStatistics(&IPStatsMIB);
_tprintf(_T("IP Statistics\t\n"));
_tprintf(_T(" IP forwarding enabled or disabled:\t%d\n"), IPStatsMIB.dwForwarding);
_tprintf(_T(" default time-to-live:\t\t\t%d\n"), IPStatsMIB.dwDefaultTTL);
_tprintf(_T(" datagrams received:\t\t\t%d\n"), IPStatsMIB.dwInReceives);
_tprintf(_T(" received header errors:\t\t\t%d\n"), IPStatsMIB.dwInHdrErrors);
_tprintf(_T(" received address errors:\t\t%d\n"), IPStatsMIB.dwInAddrErrors);
_tprintf(_T(" datagrams forwarded:\t\t\t%d\n"), IPStatsMIB.dwForwDatagrams);
_tprintf(_T(" datagrams with unknown protocol:\t%d\n"), IPStatsMIB.dwInUnknownProtos);
_tprintf(_T(" received datagrams discarded:\t\t%d\n"), IPStatsMIB.dwInDiscards);
_tprintf(_T(" received datagrams delivered:\t\t%d\n"), IPStatsMIB.dwInDelivers);
_tprintf(_T(" sent datagrams discarded:\t\t%d\n"), IPStatsMIB.dwOutDiscards);
_tprintf(_T(" datagrams for which no route exists:\t%d\n"), IPStatsMIB.dwOutNoRoutes);
_tprintf(_T(" datagrams for which frags didn't arrive:%d\n"), IPStatsMIB.dwReasmTimeout);
_tprintf(_T(" datagrams requiring reassembly:\t\t%d\n"), IPStatsMIB.dwReasmReqds);
_tprintf(_T(" successful reassemblies:\t\t%d\n"), IPStatsMIB.dwReasmOks);
_tprintf(_T(" failed reassemblies:\t\t\t%d\n"), IPStatsMIB.dwReasmFails);
_tprintf(_T(" successful fragmentations:\t\t%d\n"), IPStatsMIB.dwFragOks);
_tprintf(_T(" failed fragmentations:\t\t\t%d\n"), IPStatsMIB.dwFragFails);
_tprintf(_T(" datagrams fragmented:\t\t\t%d\n"), IPStatsMIB.dwFragCreates);
_tprintf(_T(" number of interfaces on computer:\t%d\n"), IPStatsMIB.dwNumIf);
_tprintf(_T(" number of IP address on computer:\t%d\n"), IPStatsMIB.dwNumAddr);
_tprintf(_T(" number of routes in routing table:\t%d\n"), IPStatsMIB.dwNumRoutes);
}
static void ShowNetworkParams()
{
FIXED_INFO* FixedInfo;
IP_ADDR_STRING* pIPAddr;
ULONG ulOutBufLen;
DWORD dwRetVal;
_tprintf(_T("Network Parameters\t\n"));
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 = GetNetworkParams(FixedInfo, &ulOutBufLen)) {
_tprintf(_T("Call to GetNetworkParams failed. Return Value: %08x\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;
}
}
}
static void ShowAdapterInfo()
{
IP_ADAPTER_INFO* pAdaptorInfo;
ULONG ulOutBufLen;
DWORD dwRetVal;
_tprintf(_T("\nAdaptor Information\t\n"));
pAdaptorInfo = (IP_ADAPTER_INFO*)GlobalAlloc(GPTR, sizeof(IP_ADAPTER_INFO));
ulOutBufLen = sizeof(IP_ADAPTER_INFO);
if (ERROR_BUFFER_OVERFLOW == GetAdaptersInfo(pAdaptorInfo, &ulOutBufLen)) {
GlobalFree(pAdaptorInfo);
pAdaptorInfo = (IP_ADAPTER_INFO*)GlobalAlloc(GPTR, ulOutBufLen);
}
if (dwRetVal = GetAdaptersInfo(pAdaptorInfo, &ulOutBufLen)) {
_tprintf(_T("Call to GetAdaptersInfo failed. Return Value: %08x\n"), dwRetVal);
} else {
while (pAdaptorInfo) {
printf(" AdapterName: %s\n", pAdaptorInfo->AdapterName);
printf(" Description: %s\n", pAdaptorInfo->Description);
pAdaptorInfo = pAdaptorInfo->Next;
}
}
}
/*
typedef struct {
UINT idLength;
UINT* ids;
} AsnObjectIdentifier;
VOID SnmpUtilPrintAsnAny(AsnAny* pAny); // pointer to value to print
VOID SnmpUtilPrintOid(AsnObjectIdentifier* Oid); // object identifier to print
*/
void test_snmp(void)
{
int nBytes = 500;
BYTE* pCache;
pCache = (BYTE*)SnmpUtilMemAlloc(nBytes);
if (pCache != NULL) {
AsnObjectIdentifier* pOidSrc = NULL;
AsnObjectIdentifier AsnObId;
if (SnmpUtilOidCpy(&AsnObId, pOidSrc)) {
//
//
//
SnmpUtilOidFree(&AsnObId);
}
SnmpUtilMemFree(pCache);
} else {
_tprintf(_T("ERROR: call to SnmpUtilMemAlloc() failed\n"));
}
}
// Maximum string lengths for ASCII ip address and port names
//
#define HOSTNAMELEN 256
#define PORTNAMELEN 256
#define ADDRESSLEN HOSTNAMELEN+PORTNAMELEN
//
// 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
// 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;
typedef struct {
DWORD dwNumEntries;
MIB_TCPEXROW table[ANY_SIZE];
} MIB_TCPEXTABLE, *PMIB_TCPEXTABLE;
typedef struct {
DWORD dwLocalAddr; // address on local computer
DWORD dwLocalPort; // port number on local computer
DWORD dwProcessId;
} MIB_UDPEXROW, *PMIB_UDPEXROW;
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
//
PCHAR
GetPortName(DWORD Flags, UINT port, PCHAR proto, PCHAR name, int namelen)
{
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;
}
//
// GetIpHostName
//
// Translate IP addresses into their name-resolved form if possible.
//
PCHAR
GetIpHostName(DWORD Flags, BOOL local, UINT ipaddr, PCHAR name, int namelen)
{
// 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;
}
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;
}
BOOLEAN usage(void)
{
TCHAR buffer[MAX_RESLEN];
int length = LoadString(GetModuleHandle(NULL), IDS_APP_USAGE, buffer, sizeof(buffer)/sizeof(buffer[0]));
_fputts(buffer, stderr);
return FALSE;
}
//
// GetOptions
//
// Parses the command line arguments.
//
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) {
printf("Failed to snapshot TCP endpoints table.\n");
PrintError(error);
return -1;
}
// 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");
PrintError(error);
return -1;
}
udpTable = (PMIB_UDPTABLE)malloc(dwSize);
error = GetUdpTable(udpTable, &dwSize, TRUE);
if (error) {
printf("Failed to snapshot UDP endpoints table.\n");
PrintError(error);
return -1;
}
// Dump the TCP table
for (i = 0; i < tcpTable->dwNumEntries; i++) {
if (flags & FLAG_SHOW_ALL_ENDPOINTS ||
tcpTable->table[i].dwState == MIB_TCP_STATE_ESTAB) {
sprintf(localaddr, "%s:%s",
GetIpHostName(flags, TRUE, tcpTable->table[i].dwLocalAddr, localname, HOSTNAMELEN),
GetPortName(flags, tcpTable->table[i].dwLocalPort, "tcp", localport, PORTNAMELEN));
sprintf(remoteaddr, "%s:%s",
GetIpHostName(flags, FALSE, tcpTable->table[i].dwRemoteAddr, remotename, HOSTNAMELEN),
tcpTable->table[i].dwRemoteAddr ?
GetPortName(flags, tcpTable->table[i].dwRemotePort, "tcp", remoteport, PORTNAMELEN):
"0");
printf("%4s\tState: %s\n", "[TCP]", TcpState[tcpTable->table[i].dwState]);
printf(" Local: %s\n Remote: %s\n", localaddr, remoteaddr);
}
}
// Dump the UDP table
if (flags & FLAG_SHOW_ALL_ENDPOINTS) {
for (i = 0; i < udpTable->dwNumEntries; i++) {
sprintf(localaddr, "%s:%s",
GetIpHostName(flags, TRUE, udpTable->table[i].dwLocalAddr, localname, HOSTNAMELEN),
GetPortName(flags, udpTable->table[i].dwLocalPort, "tcp", localport, PORTNAMELEN));
printf("%4s", "[UDP]");
printf(" Local: %s\n Remote: %s\n", localaddr, "*.*.*.*:*");
}
}
}
printf("\n");
return 0;
}
#else
int main(int argc, char *argv[])
{
if (argc > 1) {
usage();
return 1;
}
_tprintf(_T("\nActive Connections\n\n")\
_T(" Proto Local Address Foreign Address State\n\n"));
test_snmp();
ShowTcpStatistics();
ShowUdpStatistics();
ShowIpStatistics();
ShowNetworkParams();
ShowAdapterInfo();
return 0;
}
#endif
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