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&);
49 int main(int argc, wchar_t **argv)
52 printInfoStruct printInfo = { FALSE, FALSE, 0, FALSE, FALSE, FALSE };
54 int ret = parseArguments(argc, argv, vm, printInfo);
58 ret = check_update(printInfo);
62 return printOutput(printInfo);
65 int printOutput(const printInfoStruct& printInfo)
68 wstring output = L"UPDATE ";
70 if (printInfo.important)
78 output.append(L"OK ");
81 output.append(L"WARNING ");
84 output.append(L"CRITICAL ");
88 wcout << output << printInfo.numUpdates << L" | update=" << printInfo.numUpdates << L";"
89 << printInfo.warn << L";" << printInfo.crit << L";0;" << endl;
94 int parseArguments(int ac, wchar_t **av, po::variables_map& vm, printInfoStruct& printInfo)
96 wchar_t namePath[MAX_PATH];
97 GetModuleFileName(NULL, namePath, MAX_PATH);
98 wchar_t *progName = PathFindFileName(namePath);
100 po::options_description desc;
103 ("help,h", "print help message and exit")
104 ("version,V", "print version and exit")
105 ("warning,w", "warn if there are important updates available")
106 ("critical,c", "critical if there are important updates that require a reboot")
107 ("possible-reboot", "treat \"update may need to reboot\" as \"update needs to reboot\"")
110 po::basic_command_line_parser<wchar_t> parser(ac, av);
117 po::command_line_style::unix_style |
118 po::command_line_style::allow_long_disguise)
122 } catch (std::exception& e) {
123 cout << e.what() << endl << desc << endl;
127 if (vm.count("help")) {
128 wcout << progName << " Help\n\tVersion: " << VERSION << endl;
130 L"%s is a simple program to check a machines required updates.\n"
131 L"You can use the following options to define its behaviour:\n\n", progName);
134 L"\nAfter some time, it will then output a string like this one:\n\n"
135 L"\tUPDATE WARNING 8|updates=8;1;1;0\n\n"
136 L"\"UPDATE\" being the type of the check, \"WARNING\" the returned status\n"
137 L"and \"8\" is the number of important updates updates.\n"
138 L"The performance data is found behind the \"|\", in order:\n"
139 L"returned value, warning threshold, critical threshold, minimal value and,\n"
140 L"if applicable, the maximal value. Performance data will only be displayed when\n"
141 L"you set at least one threshold\n\n"
142 L"An update counts as important when it is part of the Security- or\n"
143 L"CriticalUpdates group.\n"
144 L"Consult the msdn on WSUS Classification GUIDs for more information.\n"
145 L"%s' exit codes denote the following:\n"
146 L" 0\tOK,\n\tNo Thresholds were broken or the programs check part was not executed\n"
147 L" 1\tWARNING,\n\tThe warning, but not the critical threshold was broken\n"
148 L" 2\tCRITICAL,\n\tThe critical threshold was broken\n"
149 L" 3\tUNKNOWN, \n\tThe program experienced an internal or input error\n\n"
150 L"%s works different from other plugins in that you do not set thresholds\n"
151 L"but only activate them. Using \"-w\" triggers warning state if there are not\n"
152 L"installed and non-optional updates. \"-c\" triggers critical if there are\n"
153 L"non-optional updates that require a reboot.\n"
154 L"The \"possible-reboot\" option is not recommended since this true for nearly\n"
156 , progName, progName);
159 } if (vm.count("version")) {
160 cout << "Version: " << VERSION << endl;
164 if (vm.count("warning"))
165 printInfo.warn = TRUE;
167 if (vm.count("critical"))
168 printInfo.crit = TRUE;
170 if (vm.count("possible-reboot"))
171 printInfo.careForCanRequest = TRUE;
176 int check_update(printInfoStruct& printInfo)
178 CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
179 ISearchResult *pResult;
180 IUpdateSession *pSession;
181 IUpdateSearcher *pSearcher;
185 CoCreateInstance(CLSID_UpdateSession, NULL, CLSCTX_INPROC_SERVER, IID_IUpdateSession, (LPVOID*)&pSession);
186 pSession->CreateUpdateSearcher(&pSearcher);
189 IsInstalled = 0: All updates, including languagepacks and features
190 BrowseOnly = 0: No features or languagepacks, security and unnamed
191 BrowseOnly = 1: Nothing, broken
192 RebootRequired = 1: Reboot required
195 BSTR criteria = SysAllocString(CRITERIA);
196 // http://msdn.microsoft.com/en-us/library/windows/desktop/aa386526%28v=vs.85%29.aspx
197 // http://msdn.microsoft.com/en-us/library/ff357803%28v=vs.85%29.aspx
199 err = pSearcher->Search(criteria, &pResult);
202 SysFreeString(criteria);
204 IUpdateCollection *pCollection;
208 pResult->get_Updates(&pCollection);
209 pCollection->get_Count(&updateSize);
214 printInfo.numUpdates = updateSize;
215 printInfo.important = printInfo.warn;
220 IInstallationBehavior *pIbehav;
221 InstallationRebootBehavior updateReboot;
223 for (LONG i = 0; i < updateSize; i++) {
224 pCollection->get_Item(i, &pUpdate);
225 pUpdate->get_InstallationBehavior(&pIbehav);
226 pIbehav->get_RebootBehavior(&updateReboot);
227 if (updateReboot == irbAlwaysRequiresReboot) {
228 printInfo.reboot = TRUE;
231 if (printInfo.careForCanRequest && updateReboot == irbCanRequestReboot)
232 printInfo.reboot = TRUE;
240 SysFreeString(criteria);