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