1 /******************************************************************************
3 * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
5 * This program is free software; you can redistribute it and/or *
6 * modify it under the terms of the GNU General Public License *
7 * as published by the Free Software Foundation; either version 2 *
8 * of the License, or (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the Free Software Foundation *
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
18 ******************************************************************************/
25 #include "thresholds.h"
27 #include "boost/program_options.hpp"
31 #define CRITERIA L"(IsInstalled = 0 and CategoryIDs contains '0fa1201d-4330-4fa8-8ae9-b877473b6441') or (IsInstalled = 0 and CategoryIDs contains 'E6CF1350-C01B-414D-A61F-263D14D133B4')"
33 namespace po = boost::program_options;
35 using std::wcout; using std::endl;
36 using std::wstring; using std::cout;
38 struct printInfoStruct
42 BOOL important, reboot, careForCanRequest;
45 static int parseArguments(int, wchar_t **, po::variables_map&, printInfoStruct&);
46 static int printOutput(const printInfoStruct&);
47 static int check_update(printInfoStruct&);
48 static void die(DWORD err = 0);
50 int main(int argc, wchar_t **argv)
53 printInfoStruct printInfo = { FALSE, FALSE, 0, FALSE, FALSE, FALSE };
55 int ret = parseArguments(argc, argv, vm, printInfo);
59 ret = check_update(printInfo);
63 return printOutput(printInfo);
66 int printOutput(const printInfoStruct& printInfo)
69 wstring output = L"UPDATE ";
71 if (printInfo.important)
79 output.append(L"OK ");
82 output.append(L"WARNING ");
85 output.append(L"CRITICAL ");
89 wcout << output << printInfo.numUpdates << L"|update=" << printInfo.numUpdates << L";"
90 << printInfo.warn << L";" << printInfo.crit << L";0" << endl;
95 int parseArguments(int ac, wchar_t **av, po::variables_map& vm, printInfoStruct& printInfo)
97 wchar_t namePath[MAX_PATH];
98 GetModuleFileName(NULL, namePath, MAX_PATH);
99 wchar_t *progName = PathFindFileName(namePath);
101 po::options_description desc;
104 (",h", "print help message and exit")
105 ("help", "print verbose help and exit")
106 ("version,v", "print version and exit")
107 ("warning,w", "warn if there are important updates available")
108 ("critical,c", "critical if there are important updates that require a reboot")
109 ("possible-reboot", "treat \"update may need to reboot\" as \"update needs to reboot\"")
112 po::basic_command_line_parser<wchar_t> parser(ac, av);
119 po::command_line_style::unix_style |
120 po::command_line_style::allow_long_disguise)
124 } catch (std::exception& e) {
125 cout << e.what() << endl << desc << endl;
130 cout << desc << endl;
134 if (vm.count("help")) {
135 wcout << progName << " Help\n\tVersion: " << VERSION << endl;
137 L"%s is a simple program to check a machines required updates.\n"
138 L"You can use the following options to define its behaviour:\n\n", progName);
141 L"\nAfter some time, it will then output a string like this one:\n\n"
142 L"\tUPDATE WARNING 8|updates=8;1;1;0\n\n"
143 L"\"UPDATE\" being the type of the check, \"WARNING\" the returned status\n"
144 L"and \"8\" is the number of important updates updates.\n"
145 L"The performance data is found behind the \"|\", in order:\n"
146 L"returned value, warning threshold, critical threshold, minimal value and,\n"
147 L"if applicable, the maximal value. Performance data will only be displayed when\n"
148 L"you set at least one threshold\n\n"
149 L"An update counts as important when it is part of the Security- or\n"
150 L"CriticalUpdates group.\n"
151 L"Consult the msdn on WSUS Classification GUIDs for more information.\n"
152 L"%s' exit codes denote the following:\n"
153 L" 0\tOK,\n\tNo Thresholds were broken or the programs check part was not executed\n"
154 L" 1\tWARNING,\n\tThe warning, but not the critical threshold was broken\n"
155 L" 2\tCRITICAL,\n\tThe critical threshold was broken\n"
156 L" 3\tUNKNOWN, \n\tThe program experienced an internal or input error\n\n"
157 L"%s works different from other plugins in that you do not set thresholds\n"
158 L"but only activate them. Using \"-w\" triggers warning state if there are not\n"
159 L"installed and non-optional updates. \"-c\" triggers critical if there are\n"
160 L"non-optional updates that require a reboot.\n"
161 L"The \"possible-reboot\" option is not recommended since this true for nearly\n"
163 , progName, progName);
166 } if (vm.count("version")) {
167 cout << "Version: " << VERSION << endl;
171 if (vm.count("warning"))
172 printInfo.warn = TRUE;
174 if (vm.count("critical"))
175 printInfo.crit = TRUE;
177 if (vm.count("possible-reboot"))
178 printInfo.careForCanRequest = TRUE;
183 int check_update(printInfoStruct& printInfo)
185 CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
186 ISearchResult *pResult;
187 IUpdateSession *pSession;
188 IUpdateSearcher *pSearcher;
192 CoCreateInstance(CLSID_UpdateSession, NULL, CLSCTX_INPROC_SERVER, IID_IUpdateSession, (LPVOID*)&pSession);
193 pSession->CreateUpdateSearcher(&pSearcher);
196 IsInstalled = 0: All updates, including languagepacks and features
197 BrowseOnly = 0: No features or languagepacks, security and unnamed
198 BrowseOnly = 1: Nothing, broken
199 RebootRequired = 1: Reboot required
202 BSTR criteria = SysAllocString(CRITERIA);
203 // http://msdn.microsoft.com/en-us/library/windows/desktop/aa386526%28v=vs.85%29.aspx
204 // http://msdn.microsoft.com/en-us/library/ff357803%28v=vs.85%29.aspx
206 err = pSearcher->Search(criteria, &pResult);
209 SysFreeString(criteria);
211 IUpdateCollection *pCollection;
215 pResult->get_Updates(&pCollection);
216 pCollection->get_Count(&updateSize);
221 printInfo.numUpdates = updateSize;
222 printInfo.important = printInfo.warn;
227 IInstallationBehavior *pIbehav;
228 InstallationRebootBehavior updateReboot;
230 for (LONG i = 0; i < updateSize; i++) {
231 pCollection->get_Item(i, &pUpdate);
232 pUpdate->get_InstallationBehavior(&pIbehav);
233 pIbehav->get_RebootBehavior(&updateReboot);
234 if (updateReboot == irbAlwaysRequiresReboot) {
235 printInfo.reboot = TRUE;
238 if (printInfo.careForCanRequest && updateReboot == irbCanRequestReboot)
239 printInfo.reboot = TRUE;
246 SysFreeString(criteria);
254 err = GetLastError();
256 size_t mS = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
257 NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&mBuf, 0, NULL);
258 wcout << mBuf << endl;