+/******************************************************************************
+ * Icinga 2 *
+ * Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
+ * *
+ * 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. *
+ * *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
+ ******************************************************************************/
#include <Windows.h>
#include <Shlwapi.h>
#include <iostream>
-#include "thresholds.h"
+#include "check_service.h"
-#include "boost\program_options.hpp"
-#define VERSION 1.0
+#define VERSION 1.1
namespace po = boost::program_options;
-using std::wcout; using std::endl;
-using std::cout; using std::wstring;
+static BOOL debug;
-struct printInfoStruct {
- bool warn;
- int ServiceState;
- wstring service;
-};
-
-static int parseArguments(int, wchar_t **, po::variables_map&, printInfoStruct&);
-static int printOutput(const printInfoStruct&);
-static int ServiceStatus(const printInfoStruct&);
-
-int wmain(int argc, wchar_t **argv)
+INT wmain(INT argc, WCHAR **argv)
{
po::variables_map vm;
printInfoStruct printInfo = { false, 0, L"" };
- int ret = parseArguments(argc, argv, vm, printInfo);
+ INT ret = parseArguments(argc, argv, vm, printInfo);
if (ret != -1)
return ret;
return printOutput(printInfo);
}
-int parseArguments(int ac, wchar_t **av, po::variables_map& vm, printInfoStruct& printInfo) {
- wchar_t namePath[MAX_PATH];
+INT parseArguments(INT ac, WCHAR **av, po::variables_map& vm, printInfoStruct& printInfo)
+{
+ WCHAR namePath[MAX_PATH];
GetModuleFileName(NULL, namePath, MAX_PATH);
- wchar_t *progName = PathFindFileName(namePath);
+ WCHAR *progName = PathFindFileName(namePath);
po::options_description desc;
desc.add_options()
- (",h", "print help message and exit")
- ("help", "print verbose help and exit")
- ("version,v", "print version and exit")
- ("service,s", po::wvalue<wstring>(), "service to check (required)")
- ("warn,w", "return warning (1) instead of critical (2)\n when service is not running")
+ ("help,h", "Print help message and exit")
+ ("version,V", "Print version and exit")
+ ("debug,d", "Verbose/Debug output")
+ ("service,s", po::wvalue<std::wstring>(), "Service to check (required)")
+ ("warn,w", "Return warning (1) instead of critical (2),\n when service is not running")
;
- po::basic_command_line_parser<wchar_t> parser(ac, av);
+ po::basic_command_line_parser<WCHAR> parser(ac, av);
try {
po::store(
vm);
vm.notify();
} catch (std::exception& e) {
- cout << e.what() << endl << desc << endl;
+ std::cout << e.what() << '\n' << desc << '\n';
return 3;
- }
- if (vm.count("h")) {
- cout << desc << endl;
- return 0;
- }
+ }
+
if (vm.count("help")) {
- wcout << progName << " Help\n\tVersion: " << VERSION << endl;
+ std::wcout << progName << " Help\n\tVersion: " << VERSION << '\n';
wprintf(
L"%s is a simple program to check the status of a service.\n"
L"You can use the following options to define its behaviour:\n\n", progName);
- cout << desc;
+ std::cout << desc;
wprintf(
L"\nIt will then output a string looking something like this:\n\n"
- L"\tSERVICE CRITICAL NOT_RUNNING|service=1;-1;!4;1;7\n\n"
+ L"\tSERVICE CRITICAL NOT_RUNNING | service=4;!4;!4;1;7\n\n"
L"\"SERVICE\" being the type of the check, \"CRITICAL\" the returned status\n"
L"and \"1\" is the returned value.\n"
- L"The performance data is found behind the \"|\", in order:\n"
- L"returned value, warning threshold, critical threshold, minimal value and,\n"
- L"if applicable, the maximal value.\n"
L"A service is either running (Code 0x04) or not running (any other).\n"
L"For more information consult the msdn on service state transitions.\n\n"
L"%s' exit codes denote the following:\n"
- L" 0\tOK,\n\tno Thresholds were broken or the programs check part was not executed\n"
+ L" 0\tOK,\n\tNo Thresholds were broken or the programs check part was not executed\n"
L" 1\tWARNING,\n\tThe warning, but not the critical threshold was broken\n"
L" 2\tCRITICAL,\n\tThe critical threshold was broken\n"
- L" 3\tUNKNOWN, \n\tThe programme experienced an internal or input error\n\n"
+ L" 3\tUNKNOWN, \n\tThe program experienced an internal or input error\n\n"
L"%s' thresholds work differently, since a service is either running or not\n"
L"all \"-w\" and \"-c\" do is say whether a not running service is a warning\n"
- L"or critical state respectively.\n"
- , progName);
- cout << endl;
+ L"or critical state respectively.\n\n"
+ , progName, progName);
+ std::cout << '\n';
return 0;
}
+
if (vm.count("version")) {
- cout << "Version: " << VERSION << endl;
+ std::cout << "Version: " << VERSION << '\n';
return 0;
- } if (!vm.count("service")) {
- cout << "Missing argument: service" << endl << desc << endl;
+ }
+
+ if (!vm.count("service")) {
+ std::cout << "Missing argument: service" << '\n' << desc << '\n';
return 3;
}
if (vm.count("warn"))
printInfo.warn = true;
- printInfo.service = vm["service"].as<wstring>();
+ printInfo.service = vm["service"].as<std::wstring>();
+
+ if (vm.count("debug"))
+ debug = TRUE;
return -1;
}
-int printOutput(const printInfoStruct& printInfo) {
- wstring perf;
+INT printOutput(CONST printInfoStruct& printInfo)
+{
+ if (debug)
+ std::wcout << L"Constructing output string" << '\n';
+ std::wstring perf;
state state = OK;
+
+ if (!printInfo.ServiceState) {
+ std::wcout << L"SERVICE CRITICAL NOTFOUND | service=" << printInfo.ServiceState << ";;;1;7" << '\n';
+ return 3;
+ }
+
if (printInfo.ServiceState != 0x04)
printInfo.warn ? state = WARNING : state = CRITICAL;
-
- printInfo.warn ? perf.append(L"!4;-1;1;7") : perf.append(L"-1;!4;1;7");
switch (state) {
case OK:
- wcout << L"SERVICE OK RUNNING|service=4;" << perf << endl;
+ std::wcout << L"SERVICE OK RUNNING | service=4;;;1;7" << '\n';
break;
case WARNING:
- wcout << L"SERVICE WARNING NOT_RUNNING|service=" << printInfo.ServiceState << perf << endl;
+ std::wcout << L"SERVICE WARNING NOT RUNNING | service=" << printInfo.ServiceState << ";;;1;7" << '\n';
break;
case CRITICAL:
- wcout << L"SERVICE CRITICAL NOT_RUNNING|service=" << printInfo.ServiceState << perf << endl;
+ std::wcout << L"SERVICE CRITICAL NOT RUNNING | service=" << printInfo.ServiceState << ";;;1;7" << '\n';
break;
}
+
return state;
}
-int ServiceStatus(const printInfoStruct& printInfo) {
-
- SC_HANDLE service_api = OpenSCManager(NULL, NULL, SC_MANAGER_ENUMERATE_SERVICE);
- if (service_api == NULL)
- goto die;
-
+DWORD ServiceStatus(CONST printInfoStruct& printInfo)
+{
+ SC_HANDLE hSCM;
+ SC_HANDLE hService;
+ DWORD cbBufSize;
+ LPBYTE lpBuf = NULL;
- LPBYTE lpServices = NULL;
- DWORD cbBufSize = 0;
- DWORD *pcbBytesNeeded = (LPDWORD)malloc(sizeof(DWORD));
- DWORD *lpServicesReturned = (LPDWORD)malloc(sizeof(DWORD));
- DWORD *lpResumeHandle = (LPDWORD)malloc(sizeof(DWORD));
- *lpResumeHandle = 0;
+ if (debug)
+ std::wcout << L"Opening SC Manager" << '\n';
- if (!EnumServicesStatusEx(service_api, SC_ENUM_PROCESS_INFO, SERVICE_WIN32, SERVICE_STATE_ALL,
- lpServices, cbBufSize, pcbBytesNeeded, lpServicesReturned, lpResumeHandle, NULL)
- && GetLastError() != ERROR_MORE_DATA)
+ hSCM = OpenSCManager(NULL, NULL, GENERIC_READ);
+ if (hSCM == NULL)
goto die;
- lpServices = (LPBYTE)malloc(*pcbBytesNeeded);
- cbBufSize = *pcbBytesNeeded;
+ if (debug)
+ std::wcout << L"Getting Service Information" << '\n';
- if (!EnumServicesStatusEx(service_api, SC_ENUM_PROCESS_INFO, SERVICE_WIN32, SERVICE_STATE_ALL,
- lpServices, cbBufSize, pcbBytesNeeded, lpServicesReturned, lpResumeHandle, NULL))
+ hService = OpenService(hSCM, printInfo.service.c_str(), SERVICE_QUERY_STATUS);
+ if (hService == NULL)
+ goto die;
+
+ QueryServiceStatusEx(hService, SC_STATUS_PROCESS_INFO, NULL, 0, &cbBufSize);
+ if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
goto die;
- LPENUM_SERVICE_STATUS_PROCESS pInfo = (LPENUM_SERVICE_STATUS_PROCESS)lpServices;
- for (DWORD i = 0; i< *lpServicesReturned; i++)
- {
- if (!wcscmp(printInfo.service.c_str(), pInfo[i].lpServiceName))
- return pInfo[i].ServiceStatusProcess.dwCurrentState;
+ lpBuf = new BYTE[cbBufSize];
+ if (QueryServiceStatusEx(hService, SC_STATUS_PROCESS_INFO, lpBuf, cbBufSize, &cbBufSize)) {
+ LPSERVICE_STATUS_PROCESS pInfo = (LPSERVICE_STATUS_PROCESS)lpBuf;
+ return pInfo->dwCurrentState;
}
+
die:
- wcout << L"Service " << printInfo.service << L" could not be found" << endl;
+ die();
+ if (hSCM)
+ CloseServiceHandle(hSCM);
+ if (hService)
+ CloseServiceHandle(hService);
+ delete [] lpBuf;
+
return -1;
}