1 /******************************************************************************
3 * Copyright (C) 2012-2015 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 static BOOL debug = FALSE;
40 struct printInfoStruct
44 BOOL important, reboot, careForCanRequest;
47 static int parseArguments(int, wchar_t **, po::variables_map&, printInfoStruct&);
48 static int printOutput(const printInfoStruct&);
49 static int check_update(printInfoStruct&);
51 int wmain(int argc, wchar_t **argv)
53 printInfoStruct printInfo = { FALSE, FALSE, 0, FALSE, FALSE, FALSE };
56 int ret = parseArguments(argc, argv, vm, printInfo);
60 ret = check_update(printInfo);
64 return printOutput(printInfo);
67 int parseArguments(int ac, wchar_t **av, po::variables_map& vm, printInfoStruct& printInfo)
69 wchar_t namePath[MAX_PATH];
70 GetModuleFileName(NULL, namePath, MAX_PATH);
71 wchar_t *progName = PathFindFileName(namePath);
73 po::options_description desc;
76 ("help,h", "print help message and exit")
77 ("version,V", "print version and exit")
78 ("debug,d", "Verbose/Debug output")
79 ("warning,w", "warn if there are important updates available")
80 ("critical,c", "critical if there are important updates that require a reboot")
81 ("possible-reboot", "treat \"update may need reboot\" as \"update needs reboot\"")
84 po::basic_command_line_parser<wchar_t> parser(ac, av);
91 po::command_line_style::unix_style |
92 po::command_line_style::allow_long_disguise)
96 } catch (std::exception& e) {
97 cout << e.what() << endl << desc << endl;
101 if (vm.count("help")) {
102 wcout << progName << " Help\n\tVersion: " << VERSION << endl;
104 L"%s is a simple program to check a machines required updates.\n"
105 L"You can use the following options to define its behaviour:\n\n", progName);
108 L"\nAfter some time, it will then output a string like this one:\n\n"
109 L"\tUPDATE WARNING 8 | updates=8;1;1;0\n\n"
110 L"\"UPDATE\" being the type of the check, \"WARNING\" the returned status\n"
111 L"and \"8\" is the number of important updates updates.\n"
112 L"The performance data is found behind the \"|\", in order:\n"
113 L"returned value, warning threshold, critical threshold, minimal value and,\n"
114 L"if applicable, the maximal value. Performance data will only be displayed when\n"
115 L"you set at least one threshold\n\n"
116 L"An update counts as important when it is part of the Security- or\n"
117 L"CriticalUpdates group.\n"
118 L"Consult the msdn on WSUS Classification GUIDs for more information.\n"
119 L"%s' exit codes denote the following:\n"
120 L" 0\tOK,\n\tNo Thresholds were broken or the programs check part was not executed\n"
121 L" 1\tWARNING,\n\tThe warning, but not the critical threshold was broken\n"
122 L" 2\tCRITICAL,\n\tThe critical threshold was broken\n"
123 L" 3\tUNKNOWN, \n\tThe program experienced an internal or input error\n\n"
124 L"%s works different from other plugins in that you do not set thresholds\n"
125 L"but only activate them. Using \"-w\" triggers warning state if there are not\n"
126 L"installed and non-optional updates. \"-c\" triggers critical if there are\n"
127 L"non-optional updates that require a reboot.\n"
128 L"The \"possible-reboot\" option is not recommended since this true for nearly\n"
130 , progName, progName);
133 } if (vm.count("version")) {
134 cout << "Version: " << VERSION << endl;
138 if (vm.count("warning"))
139 printInfo.warn = TRUE;
141 if (vm.count("critical"))
142 printInfo.crit = TRUE;
144 if (vm.count("possible-reboot"))
145 printInfo.careForCanRequest = TRUE;
147 if (vm.count("debug"))
153 int printOutput(const printInfoStruct& printInfo)
156 wcout << L"Constructing output string" << endl;
159 wstring output = L"UPDATE ";
161 if (printInfo.important)
164 if (printInfo.reboot)
169 output.append(L"OK ");
172 output.append(L"WARNING ");
175 output.append(L"CRITICAL ");
179 wcout << output << printInfo.numUpdates << L" | update=" << printInfo.numUpdates << L";"
180 << printInfo.warn << L";" << printInfo.crit << L";0;" << endl;
185 int check_update(printInfoStruct& printInfo)
188 wcout << "Initializing COM library" << endl;
189 CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
190 ISearchResult *pResult;
191 IUpdateSession *pSession;
192 IUpdateSearcher *pSearcher;
193 BSTR criteria = NULL;
197 wcout << "Creating UpdateSession and UpdateSearcher" << endl;
198 CoCreateInstance(CLSID_UpdateSession, NULL, CLSCTX_INPROC_SERVER, IID_IUpdateSession, (LPVOID*)&pSession);
199 pSession->CreateUpdateSearcher(&pSearcher);
202 IsInstalled = 0: All updates, including languagepacks and features
203 BrowseOnly = 0: No features or languagepacks, security and unnamed
204 BrowseOnly = 1: Nothing, broken
205 RebootRequired = 1: Reboot required
208 criteria = SysAllocString(CRITERIA);
209 // http://msdn.microsoft.com/en-us/library/windows/desktop/aa386526%28v=vs.85%29.aspx
210 // http://msdn.microsoft.com/en-us/library/ff357803%28v=vs.85%29.aspx
213 wcout << L"Querrying updates from server" << endl;
215 err = pSearcher->Search(criteria, &pResult);
218 SysFreeString(criteria);
220 IUpdateCollection *pCollection;
224 pResult->get_Updates(&pCollection);
225 pCollection->get_Count(&updateSize);
230 printInfo.numUpdates = updateSize;
231 // printInfo.important = printInfo.warn;
233 IInstallationBehavior *pIbehav;
234 InstallationRebootBehavior updateReboot;
236 for (LONG i = 0; i < updateSize; i++) {
237 pCollection->get_Item(i, &pUpdate);
239 wcout << L"Checking reboot behaviour of update number " << i << endl;
241 pUpdate->get_InstallationBehavior(&pIbehav);
242 pIbehav->get_RebootBehavior(&updateReboot);
243 if (updateReboot == irbAlwaysRequiresReboot) {
244 printInfo.reboot = TRUE;
246 wcout << L"It requires reboot" << endl;
249 if (printInfo.careForCanRequest && updateReboot == irbCanRequestReboot)
251 wcout << L"It requires reboot" << endl;
252 printInfo.reboot = TRUE;
256 wcout << L"Cleaning up and returning" << endl;
258 SysFreeString(criteria);
266 SysFreeString(criteria);