420 lines
15 KiB
C
420 lines
15 KiB
C
/*
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* Copyright 2011-2013 André Hentschel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define NONAMELESSUNION
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#include "netstat.h"
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#include <winsock2.h>
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#include <iphlpapi.h>
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(netstat);
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static const WCHAR ipW[] = {'I', 'P', 0};
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static const WCHAR ipv6W[] = {'I', 'P', 'v', '6', 0};
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static const WCHAR icmpW[] = {'I', 'C', 'M', 'P', 0};
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static const WCHAR icmpv6W[] = {'I', 'C', 'M', 'P', 'v', '6', 0};
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static const WCHAR tcpW[] = {'T', 'C', 'P', 0};
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static const WCHAR tcpv6W[] = {'T', 'C', 'P', 'v', '6', 0};
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static const WCHAR udpW[] = {'U', 'D', 'P', 0};
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static const WCHAR udpv6W[] = {'U', 'D', 'P', 'v', '6', 0};
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static const WCHAR fmtport[] = {'%', 'd', 0};
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static const WCHAR fmtip[] = {'%', 'd', '.', '%', 'd', '.', '%', 'd', '.', '%', 'd', 0};
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static const WCHAR fmtn[] = {'\n', 0};
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static const WCHAR fmtnn[] = {'\n', '%', 's', '\n', 0};
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static const WCHAR fmtcolon[] = {'%', 's', ':', '%', 's', 0};
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static const WCHAR fmttcpout[] = {' ', ' ', '%', '-', '6', 's', ' ', '%', '-', '2', '2', 's', ' ', '%', '-', '2', '2', 's', ' ', '%', 's', '\n', 0};
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static const WCHAR fmtudpout[] = {' ', ' ', '%', '-', '6', 's', ' ', '%', '-', '2', '2', 's', ' ', '*', ':', '*', '\n', 0};
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static const WCHAR fmtethout[] = {'%', '-', '2', '0', 's', ' ', '%', '1', '4', 'l', 'u', ' ', '%', '1', '5', 'l', 'u', '\n', 0};
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static const WCHAR fmtethoutu[] = {'%', '-', '2', '0', 's', ' ', '%', '1', '4', 'l', 'u', '\n', '\n', 0};
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static const WCHAR fmtethheader[] = {' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', '%', '-', '1', '9', 's', ' ', '%', 's', '\n', '\n', 0};
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static const WCHAR fmttcpstat[] = {' ', ' ', '%', '-', '3', '5', 's', ' ', '=', ' ', '%', 'l', 'u', '\n', 0};
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static const WCHAR fmtudpstat[] = {' ', ' ', '%', '-', '2', '1', 's', ' ', '=', ' ', '%', 'l', 'u', '\n', 0};
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static const WCHAR tcpstatesW[][16] = {
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{'?', '?', '?', 0},
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{'C', 'L', 'O', 'S', 'E', 'D', 0},
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{'L', 'I', 'S', 'T', 'E', 'N', 'I', 'N', 'G', 0},
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{'S', 'Y', 'N', '_', 'S', 'E', 'N', 'T', 0},
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{'S', 'Y', 'N', '_', 'R', 'C', 'V', 'D', 0},
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{'E', 'S', 'T', 'A', 'B', 'L', 'I', 'S', 'H', 'E', 'D', 0},
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{'F', 'I', 'N', '_', 'W', 'A', 'I', 'T', '1', 0},
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{'F', 'I', 'N', '_', 'W', 'A', 'I', 'T', '2', 0},
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{'C', 'L', 'O', 'S', 'E', '_', 'W', 'A', 'I', 'T', 0},
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{'C', 'L', 'O', 'S', 'I', 'N', 'G', 0},
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{'L', 'A', 'S', 'T', '_', 'A', 'C', 'K', 0},
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{'T', 'I', 'M', 'E', '_', 'W', 'A', 'I', 'T', 0},
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{'D', 'E', 'L', 'E', 'T', 'E', '_', 'T', 'C', 'B', 0},
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};
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/* =========================================================================
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* Output a unicode string. Ideally this will go to the console
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* and hence required WriteConsoleW to output it, however if file i/o is
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* redirected, it needs to be WriteFile'd using OEM (not ANSI) format
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* ========================================================================= */
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static int __cdecl NETSTAT_wprintf(const WCHAR *format, ...)
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{
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static WCHAR *output_bufW = NULL;
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static char *output_bufA = NULL;
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static BOOL toConsole = TRUE;
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static BOOL traceOutput = FALSE;
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#define MAX_WRITECONSOLE_SIZE 65535
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__ms_va_list parms;
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DWORD nOut;
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int len;
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DWORD res = 0;
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/*
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* Allocate buffer to use when writing to console
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* Note: Not freed - memory will be allocated once and released when
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* xcopy ends
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*/
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if (!output_bufW) output_bufW = HeapAlloc(GetProcessHeap(), 0,
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MAX_WRITECONSOLE_SIZE);
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if (!output_bufW) {
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WINE_FIXME("Out of memory - could not allocate 2 x 64K buffers\n");
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return 0;
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}
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__ms_va_start(parms, format);
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len = wvsprintfW(output_bufW, format, parms);
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__ms_va_end(parms);
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/* Try to write as unicode all the time we think its a console */
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if (toConsole) {
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res = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE),
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output_bufW, len, &nOut, NULL);
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}
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/* If writing to console has failed (ever) we assume its file
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i/o so convert to OEM codepage and output */
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if (!res) {
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BOOL usedDefaultChar = FALSE;
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DWORD convertedChars;
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toConsole = FALSE;
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/*
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* Allocate buffer to use when writing to file. Not freed, as above
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*/
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if (!output_bufA) output_bufA = HeapAlloc(GetProcessHeap(), 0,
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MAX_WRITECONSOLE_SIZE);
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if (!output_bufA) {
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WINE_FIXME("Out of memory - could not allocate 2 x 64K buffers\n");
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return 0;
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}
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/* Convert to OEM, then output */
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convertedChars = WideCharToMultiByte(GetConsoleOutputCP(), 0, output_bufW,
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len, output_bufA, MAX_WRITECONSOLE_SIZE,
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"?", &usedDefaultChar);
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WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), output_bufA, convertedChars,
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&nOut, FALSE);
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}
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/* Trace whether screen or console */
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if (!traceOutput) {
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WINE_TRACE("Writing to console? (%d)\n", toConsole);
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traceOutput = TRUE;
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}
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return nOut;
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}
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static WCHAR *NETSTAT_load_message(UINT id) {
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static WCHAR msg[2048];
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static const WCHAR failedW[] = {'F','a','i','l','e','d','!','\0'};
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if (!LoadStringW(GetModuleHandleW(NULL), id, msg, sizeof(msg)/sizeof(WCHAR))) {
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WINE_FIXME("LoadString failed with %d\n", GetLastError());
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strcpyW(msg, failedW);
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}
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return msg;
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}
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static WCHAR *NETSTAT_port_name(UINT port, WCHAR name[])
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{
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/* FIXME: can we get the name? */
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sprintfW(name, fmtport, htons((WORD)port));
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return name;
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}
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static WCHAR *NETSTAT_host_name(UINT ip, WCHAR name[])
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{
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UINT nip;
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/* FIXME: can we get the name? */
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nip = htonl(ip);
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sprintfW(name, fmtip, (nip >> 24) & 0xFF, (nip >> 16) & 0xFF, (nip >> 8) & 0xFF, (nip) & 0xFF);
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return name;
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}
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static void NETSTAT_conn_header(void)
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{
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WCHAR local[22], remote[22], state[22];
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NETSTAT_wprintf(fmtnn, NETSTAT_load_message(IDS_TCP_ACTIVE_CONN));
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NETSTAT_wprintf(fmtn);
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strcpyW(local, NETSTAT_load_message(IDS_TCP_LOCAL_ADDR));
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strcpyW(remote, NETSTAT_load_message(IDS_TCP_REMOTE_ADDR));
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strcpyW(state, NETSTAT_load_message(IDS_TCP_STATE));
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NETSTAT_wprintf(fmttcpout, NETSTAT_load_message(IDS_TCP_PROTO), local, remote, state);
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}
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static void NETSTAT_eth_stats(void)
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{
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PMIB_IFTABLE table;
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DWORD err, size, i;
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DWORD octets[2], ucastpkts[2], nucastpkts[2], discards[2], errors[2], unknown;
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WCHAR recv[19];
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size = sizeof(MIB_IFTABLE);
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do
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{
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table = (PMIB_IFTABLE)HeapAlloc(GetProcessHeap(), 0, size);
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err = GetIfTable(table, &size, FALSE);
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if (err != NO_ERROR) HeapFree(GetProcessHeap(), 0, table);
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} while (err == ERROR_INSUFFICIENT_BUFFER);
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if (err) return;
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NETSTAT_wprintf(NETSTAT_load_message(IDS_ETH_STAT));
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NETSTAT_wprintf(fmtn);
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NETSTAT_wprintf(fmtn);
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strcpyW(recv, NETSTAT_load_message(IDS_ETH_RECV));
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NETSTAT_wprintf(fmtethheader, recv, NETSTAT_load_message(IDS_ETH_SENT));
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octets[0] = octets[1] = 0;
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ucastpkts[0] = ucastpkts[1] = 0;
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nucastpkts[0] = nucastpkts[1] = 0;
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discards[0] = discards[1] = 0;
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errors[0] = errors[1] = 0;
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unknown = 0;
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for (i = 0; i < table->dwNumEntries; i++)
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{
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octets[0] += table->table[i].dwInOctets;
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octets[1] += table->table[i].dwOutOctets;
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ucastpkts[0] += table->table[i].dwInUcastPkts;
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ucastpkts[1] += table->table[i].dwOutUcastPkts;
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nucastpkts[0] += table->table[i].dwInNUcastPkts;
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nucastpkts[1] += table->table[i].dwOutNUcastPkts;
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discards[0] += table->table[i].dwInDiscards;
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discards[1] += table->table[i].dwOutDiscards;
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errors[0] += table->table[i].dwInErrors;
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errors[1] += table->table[i].dwOutErrors;
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unknown += table->table[i].dwInUnknownProtos;
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}
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NETSTAT_wprintf(fmtethout, NETSTAT_load_message(IDS_ETH_BYTES), octets[0], octets[1]);
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NETSTAT_wprintf(fmtethout, NETSTAT_load_message(IDS_ETH_UNICAST), ucastpkts[0], ucastpkts[1]);
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NETSTAT_wprintf(fmtethout, NETSTAT_load_message(IDS_ETH_NUNICAST), nucastpkts[0], nucastpkts[1]);
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NETSTAT_wprintf(fmtethout, NETSTAT_load_message(IDS_ETH_DISCARDS), discards[0], discards[1]);
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NETSTAT_wprintf(fmtethout, NETSTAT_load_message(IDS_ETH_ERRORS), errors[0], errors[1]);
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NETSTAT_wprintf(fmtethoutu, NETSTAT_load_message(IDS_ETH_UNKNOWN), unknown);
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HeapFree(GetProcessHeap(), 0, table);
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}
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static void NETSTAT_tcp_table(void)
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{
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PMIB_TCPTABLE table;
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DWORD err, size, i;
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WCHAR HostIp[MAX_HOSTNAME_LEN], HostPort[32];
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WCHAR RemoteIp[MAX_HOSTNAME_LEN], RemotePort[32];
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WCHAR Host[MAX_HOSTNAME_LEN + 32];
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WCHAR Remote[MAX_HOSTNAME_LEN + 32];
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size = sizeof(MIB_TCPTABLE);
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do
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{
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table = (PMIB_TCPTABLE)HeapAlloc(GetProcessHeap(), 0, size);
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err = GetTcpTable(table, &size, TRUE);
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if (err != NO_ERROR) HeapFree(GetProcessHeap(), 0, table);
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} while (err == ERROR_INSUFFICIENT_BUFFER);
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if (err) return;
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for (i = 0; i < table->dwNumEntries; i++)
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{
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if ((table->table[i].u.dwState == MIB_TCP_STATE_CLOSE_WAIT) ||
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(table->table[i].u.dwState == MIB_TCP_STATE_ESTAB) ||
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(table->table[i].u.dwState == MIB_TCP_STATE_TIME_WAIT))
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{
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NETSTAT_host_name(table->table[i].dwLocalAddr, HostIp);
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NETSTAT_port_name(table->table[i].dwLocalPort, HostPort);
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NETSTAT_host_name(table->table[i].dwRemoteAddr, RemoteIp);
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NETSTAT_port_name(table->table[i].dwRemotePort, RemotePort);
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sprintfW(Host, fmtcolon, HostIp, HostPort);
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sprintfW(Remote, fmtcolon, RemoteIp, RemotePort);
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NETSTAT_wprintf(fmttcpout, tcpW, Host, Remote, tcpstatesW[table->table[i].u.dwState]);
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}
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}
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HeapFree(GetProcessHeap(), 0, table);
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}
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static void NETSTAT_tcp_stats(void)
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{
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MIB_TCPSTATS stats;
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if (GetTcpStatistics(&stats) == NO_ERROR)
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{
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NETSTAT_wprintf(fmtnn, NETSTAT_load_message(IDS_TCP_STAT));
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NETSTAT_wprintf(fmtn);
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NETSTAT_wprintf(fmttcpstat, NETSTAT_load_message(IDS_TCP_ACTIVE_OPEN), stats.dwActiveOpens);
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NETSTAT_wprintf(fmttcpstat, NETSTAT_load_message(IDS_TCP_PASSIV_OPEN), stats.dwPassiveOpens);
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NETSTAT_wprintf(fmttcpstat, NETSTAT_load_message(IDS_TCP_FAILED_CONN), stats.dwAttemptFails);
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NETSTAT_wprintf(fmttcpstat, NETSTAT_load_message(IDS_TCP_RESET_CONN), stats.dwEstabResets);
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NETSTAT_wprintf(fmttcpstat, NETSTAT_load_message(IDS_TCP_CURR_CONN), stats.dwCurrEstab);
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NETSTAT_wprintf(fmttcpstat, NETSTAT_load_message(IDS_TCP_SEGM_RECV), stats.dwInSegs);
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NETSTAT_wprintf(fmttcpstat, NETSTAT_load_message(IDS_TCP_SEGM_SENT), stats.dwOutSegs);
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NETSTAT_wprintf(fmttcpstat, NETSTAT_load_message(IDS_TCP_SEGM_RETRAN), stats.dwRetransSegs);
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}
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}
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static void NETSTAT_udp_table(void)
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{
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PMIB_UDPTABLE table;
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DWORD err, size, i;
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WCHAR HostIp[MAX_HOSTNAME_LEN], HostPort[32];
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WCHAR Host[MAX_HOSTNAME_LEN + 32];
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size = sizeof(MIB_UDPTABLE);
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do
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{
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table = (PMIB_UDPTABLE)HeapAlloc(GetProcessHeap(), 0, size);
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err = GetUdpTable(table, &size, TRUE);
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if (err != NO_ERROR) HeapFree(GetProcessHeap(), 0, table);
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} while (err == ERROR_INSUFFICIENT_BUFFER);
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if (err) return;
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for (i = 0; i < table->dwNumEntries; i++)
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{
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NETSTAT_host_name(table->table[i].dwLocalAddr, HostIp);
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NETSTAT_port_name(table->table[i].dwLocalPort, HostPort);
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sprintfW(Host, fmtcolon, HostIp, HostPort);
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NETSTAT_wprintf(fmtudpout, udpW, Host);
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}
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HeapFree(GetProcessHeap(), 0, table);
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}
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static void NETSTAT_udp_stats(void)
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{
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MIB_UDPSTATS stats;
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if (GetUdpStatistics(&stats) == NO_ERROR)
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{
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NETSTAT_wprintf(fmtnn, NETSTAT_load_message(IDS_UDP_STAT));
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NETSTAT_wprintf(fmtn);
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NETSTAT_wprintf(fmtudpstat, NETSTAT_load_message(IDS_UDP_DGRAMS_RECV), stats.dwInDatagrams);
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NETSTAT_wprintf(fmtudpstat, NETSTAT_load_message(IDS_UDP_NO_PORTS), stats.dwNoPorts);
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NETSTAT_wprintf(fmtudpstat, NETSTAT_load_message(IDS_UDP_RECV_ERRORS), stats.dwInErrors);
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NETSTAT_wprintf(fmtudpstat, NETSTAT_load_message(IDS_UDP_DGRAMS_SENT), stats.dwOutDatagrams);
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}
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}
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static NETSTATPROTOCOLS NETSTAT_get_protocol(WCHAR name[])
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{
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if (!strcmpiW(name, ipW)) return PROT_IP;
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if (!strcmpiW(name, ipv6W)) return PROT_IPV6;
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if (!strcmpiW(name, icmpW)) return PROT_ICMP;
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if (!strcmpiW(name, icmpv6W)) return PROT_ICMPV6;
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if (!strcmpiW(name, tcpW)) return PROT_TCP;
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if (!strcmpiW(name, tcpv6W)) return PROT_TCPV6;
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if (!strcmpiW(name, udpW)) return PROT_UDP;
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if (!strcmpiW(name, udpv6W)) return PROT_UDPV6;
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return PROT_UNKNOWN;
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}
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int wmain(int argc, WCHAR *argv[])
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{
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WSADATA wsa_data;
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BOOL output_stats = FALSE;
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if (WSAStartup(MAKEWORD(2, 2), &wsa_data))
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{
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WINE_ERR("WSAStartup failed: %d\n", WSAGetLastError());
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return 1;
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}
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if (argc == 1)
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{
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/* No options */
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NETSTAT_conn_header();
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NETSTAT_tcp_table();
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return 0;
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}
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while (argv[1] && argv[1][0] == '-')
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{
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switch (argv[1][1])
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{
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case 'a':
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NETSTAT_conn_header();
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NETSTAT_tcp_table();
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NETSTAT_udp_table();
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return 0;
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case 'e':
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NETSTAT_eth_stats();
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return 0;
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case 's':
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output_stats = TRUE;
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break;
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case 'p':
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argv++; argc--;
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if (argc == 1) return 1;
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switch (NETSTAT_get_protocol(argv[1]))
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{
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case PROT_TCP:
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if (output_stats)
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NETSTAT_tcp_stats();
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NETSTAT_conn_header();
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NETSTAT_tcp_table();
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break;
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case PROT_UDP:
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if (output_stats)
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NETSTAT_udp_stats();
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NETSTAT_conn_header();
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NETSTAT_udp_table();
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break;
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default:
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WINE_FIXME("Protocol not yet implemented: %s\n", debugstr_w(argv[1]));
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}
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return 0;
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default:
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WINE_FIXME("Unknown option: %s\n", debugstr_w(argv[1]));
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return 1;
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}
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argv++; argc--;
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}
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if (output_stats)
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{
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NETSTAT_tcp_stats();
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NETSTAT_udp_stats();
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}
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return 0;
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}
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