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[NETSTAT] Add support for displaying TCP connections owning process

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This commit is contained in:
Pierre Schweitzer 2018-11-24 21:04:20 +01:00
parent 73c87d5c14
commit 2b55073360
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GPG key ID: 7545556C3D585B0B
2 changed files with 38 additions and 10 deletions
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47
base/applications/network/netstat/netstat.c
View file

@ -134,6 +134,9 @@ BOOL ParseCmdline(int argc, char* argv[])
case 's' :
bDoShowProtoStats = TRUE;
break;
case 'o' :
bDoShowProcessId = TRUE;
break;
case 'v' :
_tprintf(_T("got v\n"));
bDoDispSeqComp = TRUE;
@ -161,6 +164,19 @@ BOOL ParseCmdline(int argc, char* argv[])
return EXIT_SUCCESS;
}
/*
* Display table header
*/
VOID DisplayTableHeader()
{
_tprintf(_T("\n Proto Local Address Foreign Address State"));
if (bDoShowProcessId)
_tprintf(_T(" Process\n"));
else
_tprintf(_T("\n"));
}
/*
* Simulate Microsofts netstat utility output
*/
@ -168,7 +184,7 @@ BOOL DisplayOutput()
{
if (bNoOptions)
{
_tprintf(_T("\n Proto Local Address Foreign Address State\n"));
DisplayTableHeader();
ShowTcpTable();
return EXIT_SUCCESS;
}
@ -212,14 +228,14 @@ BOOL DisplayOutput()
if (bDoShowProtoStats)
ShowTcpStatistics();
_tprintf(_T("\nActive Connections\n"));
_tprintf(_T("\n Proto Local Address Foreign Address State\n"));
DisplayTableHeader();
ShowTcpTable();
break;
case UDP :
if (bDoShowProtoStats)
ShowUdpStatistics();
_tprintf(_T("\nActive Connections\n"));
_tprintf(_T("\n Proto Local Address Foreign Address State\n"));
DisplayTableHeader();
ShowUdpTable();
break;
default :
@ -237,7 +253,7 @@ BOOL DisplayOutput()
else
{
_tprintf(_T("\nActive Connections\n"));
_tprintf(_T("\n Proto Local Address Foreign Address State\n"));
DisplayTableHeader();
ShowTcpTable();
if (bDoShowAllCons)
ShowUdpTable();
@ -408,22 +424,23 @@ VOID ShowEthernetStatistics()
VOID ShowTcpTable()
{
PMIB_TCPTABLE tcpTable;
PMIB_TCPTABLE_OWNER_PID tcpTable;
DWORD error, dwSize;
DWORD i;
CHAR HostIp[HOSTNAMELEN], HostPort[PORTNAMELEN];
CHAR RemoteIp[HOSTNAMELEN], RemotePort[PORTNAMELEN];
CHAR Host[ADDRESSLEN];
CHAR Remote[ADDRESSLEN];
CHAR PID[64];
/* Get the table of TCP endpoints */
dwSize = sizeof (MIB_TCPTABLE);
dwSize = sizeof (MIB_TCPTABLE_OWNER_PID);
/* 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);
tcpTable = (PMIB_TCPTABLE_OWNER_PID) HeapAlloc(GetProcessHeap(), 0, dwSize);
error = GetExtendedTcpTable(tcpTable, &dwSize, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0);
if ( error != NO_ERROR )
HeapFree(GetProcessHeap(), 0, tcpTable);
}
@ -461,8 +478,17 @@ VOID ShowTcpTable()
sprintf(Remote, "%s:%s", RemoteIp, RemotePort);
}
_tprintf(_T(" %-6s %-22s %-22s %s\n"), _T("TCP"),
Host, Remote, TcpState[tcpTable->table[i].dwState]);
if (bDoShowProcessId)
{
sprintf(PID, "%ld", tcpTable->table[i].dwOwningPid);
}
else
{
PID[0] = 0;
}
_tprintf(_T(" %-6s %-22s %-22s %-11s %s\n"), _T("TCP"),
Host, Remote, TcpState[tcpTable->table[i].dwState], PID);
}
}
HeapFree(GetProcessHeap(), 0, tcpTable);
@ -600,6 +626,7 @@ VOID Usage()
" -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"
" -o Displays the process ID for each connection.\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"));

1
base/applications/network/netstat/netstat.h
View file

@ -13,6 +13,7 @@ BOOL bDoShowNumbers = FALSE; // -n
BOOL bDoShowProtoCons = FALSE; // -p
BOOL bDoShowRouteTable = FALSE; // -r
BOOL bDoShowProtoStats = FALSE; // -s
BOOL bDoShowProcessId = FALSE; // -o
BOOL bDoDispSeqComp = FALSE; // -v
BOOL bLoopOutput = FALSE; // interval