| 1 | /************************************************************************** |
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| 2 | * Copyright (C) 2004-2007 by Michael Medin <michael@medin.name> * |
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| 3 | * * |
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| 4 | * This code is part of NSClient++ - http://trac.nakednuns.org/nscp * |
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| 5 | * * |
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| 6 | * This program is free software; you can redistribute it and/or modify * |
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| 7 | * it under the terms of the GNU General Public License as published by * |
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| 8 | * the Free Software Foundation; either version 2 of the License, or * |
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| 9 | * (at your option) any later version. * |
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| 10 | * * |
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| 11 | * This program is distributed in the hope that it will be useful, * |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 14 | * GNU General Public License for more details. * |
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| 15 | * * |
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| 16 | * You should have received a copy of the GNU General Public License * |
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| 17 | * along with this program; if not, write to the * |
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| 18 | * Free Software Foundation, Inc., * |
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| 19 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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| 20 | ***************************************************************************/ |
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| 21 | |
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| 22 | #include "stdafx.h" |
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| 23 | #include "CheckWMI.h" |
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| 24 | #include <strEx.h> |
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| 25 | #include <time.h> |
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| 26 | #include <map> |
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| 27 | #include <vector> |
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| 28 | |
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| 29 | |
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| 30 | CheckWMI gCheckWMI; |
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| 31 | |
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| 32 | BOOL APIENTRY DllMain( HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) |
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| 33 | { |
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| 34 | NSCModuleWrapper::wrapDllMain(hModule, ul_reason_for_call); |
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| 35 | return TRUE; |
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| 36 | } |
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| 37 | |
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| 38 | CheckWMI::CheckWMI() { |
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| 39 | } |
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| 40 | CheckWMI::~CheckWMI() { |
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| 41 | } |
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| 42 | |
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| 43 | |
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| 44 | bool CheckWMI::loadModule() { |
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| 45 | try { |
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| 46 | NSCModuleHelper::registerCommand(_T("CheckWMIValue"), _T("Run a WMI query and check the resulting value (the values of each row determin the state).")); |
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| 47 | NSCModuleHelper::registerCommand(_T("CheckWMI"), _T("Run a WMI query and check the resulting rows (the number of hits determine state).")); |
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| 48 | } catch (NSCModuleHelper::NSCMHExcpetion &e) { |
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| 49 | NSC_LOG_ERROR_STD(_T("Failed to register command: ") + e.msg_); |
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| 50 | } catch (...) { |
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| 51 | NSC_LOG_ERROR_STD(_T("Failed to register command.")); |
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| 52 | } |
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| 53 | return true; |
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| 54 | } |
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| 55 | bool CheckWMI::unloadModule() { |
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| 56 | return true; |
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| 57 | } |
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| 58 | |
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| 59 | bool CheckWMI::hasCommandHandler() { |
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| 60 | return true; |
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| 61 | } |
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| 62 | bool CheckWMI::hasMessageHandler() { |
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| 63 | return false; |
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| 64 | } |
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| 65 | |
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| 66 | |
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| 67 | #define MAP_CHAINED_FILTER(value, obj) \ |
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| 68 | else if (p__.first.length() > 8 && p__.first.substr(1,6) == _T("filter") && p__.first.substr(7,1) == _T("-") && p__.first.substr(8) == value) { \ |
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| 69 | WMIQuery::wmi_filter filter; filter.obj = p__.second; chain.push_filter(p__.first, filter); } |
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| 70 | |
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| 71 | #define MAP_SECONDARY_CHAINED_FILTER(value, obj) \ |
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| 72 | else if (p2.first.length() > 8 && p2.first.substr(1,6) == _T("filter") && p2.first.substr(7,1) == _T("-") && p2.first.substr(8) == value) { \ |
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| 73 | WMIQuery::wmi_filter filter; filter.obj = p__.second; filter.alias = p2.second; chain.push_filter(p__.first, filter); } |
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| 74 | |
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| 75 | #define MAP_CHAINED_FILTER_STRING(value) \ |
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| 76 | MAP_CHAINED_FILTER(value, string) |
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| 77 | |
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| 78 | #define MAP_CHAINED_FILTER_NUMERIC(value) \ |
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| 79 | MAP_CHAINED_FILTER(value, numeric) |
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| 80 | |
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| 81 | NSCAPI::nagiosReturn CheckWMI::CheckSimpleWMI(const unsigned int argLen, TCHAR **char_args, std::wstring &message, std::wstring &perf) { |
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| 82 | typedef checkHolders::CheckContainer<checkHolders::MaxMinBounds<checkHolders::NumericBounds<int, checkHolders::int_handler> > > WMIContainer; |
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| 83 | |
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| 84 | NSCAPI::nagiosReturn returnCode = NSCAPI::returnOK; |
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| 85 | typedef filters::chained_filter<WMIQuery::wmi_filter,WMIQuery::wmi_row> filter_chain; |
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| 86 | filter_chain chain; |
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| 87 | std::list<std::wstring> args = arrayBuffer::arrayBuffer2list(argLen, char_args); |
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| 88 | if (args.empty()) { |
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| 89 | message = _T("Missing argument(s)."); |
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| 90 | return NSCAPI::returnCRIT; |
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| 91 | } |
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| 92 | unsigned int truncate = 0; |
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| 93 | std::wstring query, alias; |
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| 94 | std::wstring ns = _T("root\\cimv2"); |
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| 95 | bool bPerfData = true; |
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| 96 | |
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| 97 | WMIContainer result_query; |
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| 98 | try { |
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| 99 | MAP_OPTIONS_BEGIN(args) |
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| 100 | MAP_OPTIONS_STR(_T("Query"), query) |
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| 101 | MAP_OPTIONS_STR2INT(_T("truncate"), truncate) |
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| 102 | MAP_OPTIONS_STR2INT(_T("namespace"), ns) |
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| 103 | MAP_OPTIONS_STR(_T("Alias"), alias) |
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| 104 | MAP_OPTIONS_BOOL_FALSE(IGNORE_PERFDATA, bPerfData) |
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| 105 | MAP_OPTIONS_NUMERIC_ALL(result_query, _T("")) |
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| 106 | MAP_OPTIONS_SHOWALL(result_query) |
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| 107 | MAP_CHAINED_FILTER(_T("string"),string) |
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| 108 | MAP_CHAINED_FILTER(_T("numeric"),numeric) |
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| 109 | MAP_OPTIONS_SECONDARY_BEGIN(_T(":"), p2) |
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| 110 | MAP_SECONDARY_CHAINED_FILTER(_T("string"),string) |
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| 111 | MAP_SECONDARY_CHAINED_FILTER(_T("numeric"),numeric) |
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| 112 | else if (p2.first == _T("Query")) { |
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| 113 | query = p__.second; |
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| 114 | alias = p2.second; |
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| 115 | } |
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| 116 | MAP_OPTIONS_MISSING_EX(p2, message, _T("Unknown argument: ")) |
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| 117 | MAP_OPTIONS_SECONDARY_END() |
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| 118 | MAP_OPTIONS_END() |
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| 119 | } catch (filters::parse_exception e) { |
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| 120 | message = _T("WMIQuery failed: ") + e.getMessage(); |
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| 121 | return NSCAPI::returnCRIT; |
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| 122 | } |
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| 123 | |
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| 124 | WMIQuery::result_type rows; |
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| 125 | try { |
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| 126 | WMIQuery wmiQuery; |
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| 127 | rows = wmiQuery.execute(ns, query); |
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| 128 | } catch (WMIException e) { |
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| 129 | message = _T("WMIQuery failed: ") + e.getMessage(); |
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| 130 | return NSCAPI::returnCRIT; |
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| 131 | } |
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| 132 | int hit_count = 0; |
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| 133 | |
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| 134 | bool match = chain.get_inital_state(); |
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| 135 | for (WMIQuery::result_type::iterator citRow = rows.begin(); citRow != rows.end(); ++citRow) { |
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| 136 | WMIQuery::wmi_row vals = *citRow; |
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| 137 | match = chain.match(match, vals); |
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| 138 | if (match) { |
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| 139 | strEx::append_list(message, vals.render()); |
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| 140 | hit_count++; |
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| 141 | } |
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| 142 | } |
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| 143 | |
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| 144 | if (!bPerfData) |
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| 145 | result_query.perfData = false; |
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| 146 | result_query.runCheck(hit_count, returnCode, message, perf); |
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| 147 | if ((truncate > 0) && (message.length() > (truncate-4))) |
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| 148 | message = message.substr(0, truncate-4) + _T("..."); |
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| 149 | if (message.empty()) |
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| 150 | message = _T("OK: WMI Query returned no results."); |
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| 151 | return returnCode; |
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| 152 | } |
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| 153 | |
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| 154 | NSCAPI::nagiosReturn CheckWMI::CheckSimpleWMIValue(const unsigned int argLen, TCHAR **char_args, std::wstring &message, std::wstring &perf) { |
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| 155 | typedef checkHolders::CheckContainer<checkHolders::MaxMinBounds<checkHolders::NumericBounds<long long, checkHolders::int64_handler> > > WMIContainer; |
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| 156 | std::list<std::wstring> stl_args = arrayBuffer::arrayBuffer2list(argLen, char_args); |
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| 157 | if (stl_args.empty()) { |
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| 158 | message = _T("ERROR: Missing argument exception."); |
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| 159 | return NSCAPI::returnUNKNOWN; |
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| 160 | } |
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| 161 | std::list<WMIContainer> list; |
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| 162 | NSCAPI::nagiosReturn returnCode = NSCAPI::returnOK; |
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| 163 | WMIContainer tmpObject; |
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| 164 | bool bPerfData = true; |
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| 165 | unsigned int truncate = 0; |
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| 166 | std::wstring query; |
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| 167 | std::wstring ns = _T("root\\cimv2"); |
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| 168 | std::wstring aliasCol; |
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| 169 | |
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| 170 | // Query=Select ... MaxWarn=5 MaxCrit=12 Check=Col1 --(later)-- Match==test Check=Col2 |
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| 171 | // MaxWarnNumeric:ID=>5 |
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| 172 | try { |
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| 173 | MAP_OPTIONS_BEGIN(stl_args) |
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| 174 | MAP_OPTIONS_SHOWALL(tmpObject) |
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| 175 | MAP_OPTIONS_NUMERIC_ALL(tmpObject, _T("")) |
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| 176 | MAP_OPTIONS_STR2INT(_T("namespace"), ns) |
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| 177 | MAP_OPTIONS_STR(_T("Alias"), tmpObject.data) |
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| 178 | MAP_OPTIONS_STR(_T("AliasCol"), aliasCol) |
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| 179 | MAP_OPTIONS_STR(_T("Query"), query) |
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| 180 | MAP_OPTIONS_BOOL_FALSE(IGNORE_PERFDATA, bPerfData) |
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| 181 | MAP_OPTIONS_STR_AND(_T("Check"), tmpObject.data, list.push_back(tmpObject)) |
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| 182 | MAP_OPTIONS_STR(_T("Alias"), tmpObject.data) |
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| 183 | MAP_OPTIONS_SECONDARY_BEGIN(_T(":"), p2) |
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| 184 | MAP_OPTIONS_SECONDARY_STR_AND(p2,_T("Check"), tmpObject.data, tmpObject.alias, list.push_back(tmpObject)) |
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| 185 | MAP_OPTIONS_MISSING_EX(p2, message, _T("Unknown argument: ")) |
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| 186 | MAP_OPTIONS_SECONDARY_END() |
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| 187 | MAP_OPTIONS_MISSING(message, _T("Unknown argument: ")) |
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| 188 | MAP_OPTIONS_END() |
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| 189 | |
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| 190 | } catch (filters::parse_exception e) { |
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| 191 | message = _T("WMIQuery failed: ") + e.getMessage(); |
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| 192 | return NSCAPI::returnCRIT; |
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| 193 | } |
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| 194 | |
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| 195 | WMIQuery::result_type rows; |
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| 196 | try { |
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| 197 | WMIQuery wmiQuery; |
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| 198 | rows = wmiQuery.execute(ns, query); |
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| 199 | } catch (WMIException e) { |
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| 200 | message = _T("WMIQuery failed: ") + e.getMessage(); |
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| 201 | return NSCAPI::returnCRIT; |
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| 202 | } |
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| 203 | int hit_count = 0; |
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| 204 | |
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| 205 | for (std::list<WMIContainer>::const_iterator it = list.begin(); it != list.end(); ++it) { |
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| 206 | WMIContainer itm = (*it); |
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| 207 | itm.setDefault(tmpObject); |
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| 208 | itm.perfData = bPerfData; |
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| 209 | if (itm.data == _T("*")) { |
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| 210 | for (WMIQuery::result_type::const_iterator citRow = rows.begin(); citRow != rows.end(); ++citRow) { |
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| 211 | for (WMIQuery::wmi_row::list_type::const_iterator citCol = (*citRow).results.begin(); citCol != (*citRow).results.end(); ++citCol) { |
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| 212 | long long value = (*citCol).second.numeric; |
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| 213 | itm.runCheck(value, returnCode, message, perf); |
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| 214 | } |
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| 215 | } |
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| 216 | } |
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| 217 | } |
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| 218 | for (WMIQuery::result_type::const_iterator citRow = rows.begin(); citRow != rows.end(); ++citRow) { |
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| 219 | bool found = false; |
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| 220 | std::wstring alias; |
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| 221 | if (!aliasCol.empty()) { |
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| 222 | alias = (*citRow).get(aliasCol).string; |
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| 223 | } |
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| 224 | for (WMIQuery::wmi_row::list_type::const_iterator citCol = (*citRow).results.begin(); citCol != (*citRow).results.end(); ++citCol) { |
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| 225 | for (std::list<WMIContainer>::const_iterator it = list.begin(); it != list.end(); ++it) { |
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| 226 | WMIContainer itm = (*it); |
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| 227 | if (itm.data == _T("*")) { |
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| 228 | found = true; |
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| 229 | } else if ((*citCol).first == itm.data) { |
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| 230 | std::wstring oldAlias = itm.alias; |
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| 231 | if (!alias.empty()) |
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| 232 | itm.alias = alias + _T(" ") + itm.getAlias(); |
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| 233 | found = true; |
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| 234 | long long value = (*citCol).second.numeric; |
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| 235 | itm.runCheck(value, returnCode, message, perf); |
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| 236 | itm.alias = oldAlias; |
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| 237 | } |
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| 238 | } |
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| 239 | } |
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| 240 | if (!found) { |
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| 241 | NSC_LOG_ERROR_STD(_T("At least one of the queried columns was not found!")); |
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| 242 | } |
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| 243 | } |
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| 244 | |
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| 245 | if ((truncate > 0) && (message.length() > (truncate-4))) |
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| 246 | message = message.substr(0, truncate-4) + _T("..."); |
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| 247 | if (message.empty()) |
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| 248 | message = _T("OK: WMI Query returned no results."); |
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| 249 | return returnCode; |
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| 250 | } |
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| 251 | |
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| 252 | |
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| 253 | NSCAPI::nagiosReturn CheckWMI::handleCommand(const strEx::blindstr command, const unsigned int argLen, TCHAR **char_args, std::wstring &msg, std::wstring &perf) { |
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| 254 | if (command == _T("CheckWMI")) { |
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| 255 | return CheckSimpleWMI(argLen, char_args, msg, perf); |
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| 256 | } else if (command == _T("CheckWMIValue")) { |
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| 257 | return CheckSimpleWMIValue(argLen, char_args, msg, perf); |
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| 258 | } |
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| 259 | return NSCAPI::returnIgnored; |
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| 260 | } |
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| 261 | int CheckWMI::commandLineExec(const TCHAR* command, const unsigned int argLen, TCHAR** char_args) { |
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| 262 | //WMIQuery wmiQuery; |
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| 263 | std::wstring query = command; |
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| 264 | std::wstring ns = _T("root\\cimv2"); |
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| 265 | query += _T(" ") + arrayBuffer::arrayBuffer2string(char_args, argLen, _T(" ")); |
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| 266 | WMIQuery::result_type rows; |
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| 267 | try { |
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| 268 | WMIQuery wmiQuery; |
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| 269 | rows = wmiQuery.execute(ns, query); |
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| 270 | } catch (WMIException e) { |
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| 271 | NSC_LOG_ERROR_STD(_T("WMIQuery failed: ") + e.getMessage()); |
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| 272 | return -1; |
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| 273 | } |
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| 274 | std::vector<std::wstring::size_type> widths; |
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| 275 | for (WMIQuery::result_type::const_iterator citRow = rows.begin(); citRow != rows.end(); ++citRow) { |
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| 276 | const WMIQuery::wmi_row vals = *citRow; |
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| 277 | if (citRow == rows.begin()) { |
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| 278 | for (WMIQuery::wmi_row::list_type::const_iterator citCol = vals.results.begin(); citCol != vals.results.end(); ++citCol) { |
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| 279 | widths.push_back( (*citCol).first.length()+1 ); |
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| 280 | } |
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| 281 | } |
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| 282 | int i=0; |
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| 283 | for (WMIQuery::wmi_row::list_type::const_iterator citCol = vals.results.begin(); citCol != vals.results.end(); ++citCol, i++) { |
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| 284 | widths[i] = max(widths[i], (*citCol).second.string.length()+1); |
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| 285 | } |
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| 286 | } |
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| 287 | |
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| 288 | std::wstring row2 = _T("|"); |
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| 289 | for (WMIQuery::result_type::iterator citRow = rows.begin(); citRow != rows.end(); ++citRow) { |
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| 290 | const WMIQuery::wmi_row vals = *citRow; |
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| 291 | if (citRow == rows.begin()) { |
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| 292 | int i=0; |
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| 293 | std::wstring row1 = _T("|"); |
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| 294 | for (WMIQuery::wmi_row::list_type::const_iterator citCol = vals.results.begin(); citCol != vals.results.end(); ++citCol, i++) { |
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| 295 | std::wstring::size_type w = widths[i]-(*citCol).first.length(); |
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| 296 | if (w<0) w=0; |
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| 297 | row1 += std::wstring(w, ' ') + (*citCol).first + _T(" |"); |
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| 298 | row2 += std::wstring(widths[i], '-') + _T("-+"); |
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| 299 | |
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| 300 | } |
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| 301 | NSC_LOG_MESSAGE(row2); |
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| 302 | NSC_LOG_MESSAGE(row1); |
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| 303 | NSC_LOG_MESSAGE(row2); |
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| 304 | } |
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| 305 | int i=0; |
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| 306 | std::wstring row = _T("|"); |
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| 307 | for (WMIQuery::wmi_row::list_type::const_iterator citCol = vals.results.begin(); citCol != vals.results.end(); ++citCol, i++) { |
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| 308 | std::wstring::size_type w = widths[i]-(*citCol).second.string.length(); |
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| 309 | if (w<0) w=0; |
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| 310 | row += std::wstring(w, ' ') + (*citCol).second.string + _T(" |"); |
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| 311 | } |
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| 312 | NSC_LOG_MESSAGE(row); |
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| 313 | } |
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| 314 | NSC_LOG_MESSAGE(row2); |
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| 315 | return 0; |
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| 316 | } |
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| 317 | |
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| 318 | |
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| 319 | NSC_WRAPPERS_MAIN_DEF(gCheckWMI); |
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| 320 | NSC_WRAPPERS_IGNORE_MSG_DEF(); |
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| 321 | NSC_WRAPPERS_HANDLE_CMD_DEF(gCheckWMI); |
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| 322 | NSC_WRAPPERS_CLI_DEF(gCheckWMI); |
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