mirror of
https://github.com/Ylianst/MeshAgent
synced 2025-12-06 00:13:33 +00:00
bc40427b26
2. Updated Cleanup code for COM, so that Release is not called from finalizer 3. Updated installer to create WebRTC UDP firewall rule
348 lines
12 KiB
JavaScript
348 lines
12 KiB
JavaScript
/*
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Copyright 2021 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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var promise = require('promise');
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var GM = require('_GenericMarshal');
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const CLSID_WbemAdministrativeLocator = '{CB8555CC-9128-11D1-AD9B-00C04FD8FDFF}';
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const IID_WbemLocator = '{dc12a687-737f-11cf-884d-00aa004b2e24}';
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const WBEM_FLAG_BIDIRECTIONAL = 0;
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const WBEM_INFINITE = -1;
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const WBEM_FLAG_ALWAYS = 0;
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const E_NOINTERFACE = 0x80004002;
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var OleAut32 = GM.CreateNativeProxy('OleAut32.dll');
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OleAut32.CreateMethod('SafeArrayAccessData');
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var wmi_handlers = {};
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const LocatorFunctions = ['QueryInterface', 'AddRef', 'Release', 'ConnectToServer'];
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const ServiceFunctions = [
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'QueryInterface',
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'AddRef',
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'Release',
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'OpenNamespace',
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'CancelAsyncCall',
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'QueryObjectSink',
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'GetObject',
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'GetObjectAsync',
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'PutClass',
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'PutClassAsync',
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'DeleteClass',
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'DeleteClassAsync',
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'CreateClassEnum',
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'CreateClassEnumAsync',
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'PutInstance',
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'PutInstanceAsync',
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'DeleteInstance',
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'DeleteInstanceAsync',
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'CreateInstanceEnum',
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'CreateInstanceEnumAsync',
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'ExecQuery',
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'ExecQueryAsync',
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'ExecNotificationQuery',
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'ExecNotificationQueryAsync',
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'ExecMethod',
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'ExecMethodAsync'
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];
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const ResultsFunctions = [
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'QueryInterface',
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'AddRef',
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'Release',
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'Reset',
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'Next',
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'NextAsync',
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'Clone',
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'Skip'
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];
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const ResultFunctions = [
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'QueryInterface',
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'AddRef',
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'Release',
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'GetQualifierSet',
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'Get',
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'Put',
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'Delete',
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'GetNames',
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'BeginEnumeration',
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'Next',
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'EndEnumeration',
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'GetPropertyQualifierSet',
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'Clone',
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'GetObjectText',
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'SpawnDerivedClass',
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'SpawnInstance',
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'CompareTo',
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'GetPropertyOrigin',
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'InheritsFrom',
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'GetMethod',
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'PutMethod',
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'DeleteMethod',
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'BeginMethodEnumeration',
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'NextMethod',
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'EndMethodEnumeration',
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'GetMethodQualifierSet',
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'GetMethodOrigin'
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];
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const QueryAsyncHandler =
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[
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{
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parms: 3, name: 'QueryInterface', func: function (j, riid, ppv)
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{
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var ret = GM.CreateVariable(4);
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console.info1('QueryInterface', riid.Deref(0, 16).toBuffer().toString('hex'));
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switch (riid.Deref(0, 16).toBuffer().toString('hex'))
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{
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case '0000000000000000C000000000000046': // IID_IUnknown
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j.pointerBuffer().copy(ppv.Deref(0, GM.PointerSize).toBuffer());
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ret.increment(0, true);
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//++this.p.refcount;
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console.info1('QueryInterface (IID_IUnknown)', this.refcount);
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break;
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case '0178857C8173CF11884D00AA004B2E24': // IID_IWmiObjectSink
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j.pointerBuffer().copy(ppv.Deref(0, GM.PointerSize).toBuffer());
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ret.increment(0, true);
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//++this.p.refcount;
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console.info1('QueryInterface (IID_IWmiObjectSink)', this.refcount);
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break;
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default:
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ret.increment(E_NOINTERFACE, true);
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console.info1(riid.Deref(0, 16).toBuffer().toString('hex'), 'returning E_NOINTERFACE');
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break;
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}
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return (ret);
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}
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},
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{
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parms: 1, name: 'AddRef', func: function ()
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{
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++this.refcount;
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console.info1('AddRef', this.refcount);
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return (GM.CreateVariable(4));
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}
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},
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{
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parms: 1, name: 'Release', func: function ()
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{
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--this.refcount;
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console.info1('Release', this.refcount);
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if (this.refcount == 0)
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{
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console.info1('No More References');
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this.cleanup();
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this.services.funcs.Release(this.services.Deref());
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this.services = null;
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this.p = null;
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if (this.callbackDispatched)
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{
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setImmediate(function (j) { j.locator = null; }, this);
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}
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else
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{
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this.locator = null;
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}
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console.info1('No More References [END]');
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}
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return (GM.CreateVariable(4));
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}
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},
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{
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parms: 3, name: 'Indicate', func: function (j, count, arr)
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{
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console.info1('Indicate', count.Val);
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var j, nme, len, nn;
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for (var i = 0; i < count.Val; ++i)
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{
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j = arr.Deref((i * GM.PointerSize) + 0, GM.PointerSize);
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this.results.push(enumerateProperties(j, this.fields));
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}
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var ret = GM.CreateVariable(4);
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ret.increment(0, true);
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return (ret);
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}
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},
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{
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parms: 5, name: 'SetStatus', func: function (j, lFlags, hResult, strParam, pObjParam)
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{
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console.info1('SetStatus', hResult.Val);
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var ret = GM.CreateVariable(4);
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ret.increment(0, true);
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if (hResult.Val == 0)
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{
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this.p.resolve(this.results);
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}
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else
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{
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this.p.reject(hResult.Val);
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}
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return (ret);
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}
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}
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];
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function enumerateProperties(j, fields)
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{
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var nme, len, nn;
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var properties = [];
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var values = {};
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j.funcs = require('win-com').marshalFunctions(j.Deref(), ResultFunctions);
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if (fields != null && Array.isArray(fields))
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{
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properties = fields;
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}
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else
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{
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nme = GM.CreatePointer();
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j.funcs.GetNames(j.Deref(), 0, WBEM_FLAG_ALWAYS, 0, nme);
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len = nme.Deref().Deref(GM.PointerSize == 8 ? 24 : 16, 4).toBuffer().readUInt32LE();
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nn = GM.CreatePointer();
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OleAut32.SafeArrayAccessData(nme.Deref(), nn);
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for (var i = 0; i < len - 1; ++i)
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{
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properties.push(nn.Deref().increment(i * GM.PointerSize).Deref().Wide2UTF8);
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}
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}
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for (var i = 0; i < properties.length; ++i)
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{
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var tmp1 = GM.CreateVariable(24);
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if (j.funcs.Get(j.Deref(), GM.CreateVariable(properties[i], { wide: true }), 0, tmp1, 0, 0).Val == 0)
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{
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switch (tmp1.toBuffer().readUInt16LE())
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{
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case 0x0000: // VT_EMPTY
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case 0x0001: // VT_NULL
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values[properties[i]] = null;
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break;
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case 0x0002: // VT_I2
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values[properties[i]] = tmp1.Deref(8, GM.PointerSize).toBuffer().readInt16LE();
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break;
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case 0x0003: // VT_I4
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case 0x0016: // VT_INT
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values[properties[i]] = tmp1.Deref(8, GM.PointerSize).toBuffer().readInt32LE();
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break;
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case 0x000B: // VT_BOOL
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values[properties[i]] = tmp1.Deref(8, GM.PointerSize).toBuffer().readInt32LE() != 0;
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break;
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case 0x000E: // VT_DECIMAL
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break;
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case 0x0010: // VT_I1
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values[properties[i]] = tmp1.Deref(8, GM.PointerSize).toBuffer().readInt8();
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break;
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case 0x0011: // VT_UI1
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values[properties[i]] = tmp1.Deref(8, GM.PointerSize).toBuffer().readUInt8();
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break;
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case 0x0012: // VT_UI2
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values[properties[i]] = tmp1.Deref(8, GM.PointerSize).toBuffer().readUInt16LE();
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break;
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case 0x0013: // VT_UI4
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case 0x0017: // VT_UINT
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values[properties[i]] = tmp1.Deref(8, GM.PointerSize).toBuffer().readUInt32LE();
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break;
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//case 0x0014: // VT_I8
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// break;
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//case 0x0015: // VT_UI8
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// break;
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case 0x0008: // VT_BSTR
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values[properties[i]] = tmp1.Deref(8, GM.PointerSize).Deref().Wide2UTF8;
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break;
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default:
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console.info1('VARTYPE: ' + tmp1.toBuffer().readUInt16LE());
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break;
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}
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}
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}
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return (values);
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}
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function queryAsync(resourceString, queryString, fields)
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{
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var p = new promise(require('promise').defaultInit);
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var resource = GM.CreateVariable(resourceString, { wide: true });
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var language = GM.CreateVariable("WQL", { wide: true });
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var query = GM.CreateVariable(queryString, { wide: true });
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var results = GM.CreatePointer();
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var handlers = require('win-com').marshalInterface(QueryAsyncHandler);
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handlers.refcount = 1;
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handlers.results = [];
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handlers.fields = fields;
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handlers.locator = require('win-com').createInstance(require('win-com').CLSIDFromString(CLSID_WbemAdministrativeLocator), require('win-com').IID_IUnknown);
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handlers.locator.funcs = require('win-com').marshalFunctions(handlers.locator, LocatorFunctions);
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handlers.services = require('_GenericMarshal').CreatePointer();
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if (handlers.locator.funcs.ConnectToServer(handlers.locator, resource, 0, 0, 0, 0, 0, 0, handlers.services).Val != 0) { throw ('Error calling ConnectToService'); }
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handlers.services.funcs = require('win-com').marshalFunctions(handlers.services.Deref(), ServiceFunctions);
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handlers.p = p;
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if (handlers.services.funcs.ExecQueryAsync(handlers.services.Deref(), language, query, WBEM_FLAG_BIDIRECTIONAL, 0, handlers).Val != 0)
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{
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throw ('Error in Query');
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}
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wmi_handlers[handlers._hashCode()] = handlers;
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return (p);
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}
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function query(resourceString, queryString, fields)
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{
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var resource = GM.CreateVariable(resourceString, { wide: true });
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var language = GM.CreateVariable("WQL", { wide: true });
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var query = GM.CreateVariable(queryString, { wide: true });
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var results = GM.CreatePointer();
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var locator = require('win-com').createInstance(require('win-com').CLSIDFromString(CLSID_WbemAdministrativeLocator), require('win-com').IID_IUnknown);
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locator.funcs = require('win-com').marshalFunctions(locator, LocatorFunctions);
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var services = require('_GenericMarshal').CreatePointer();
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if (locator.funcs.ConnectToServer(locator, resource, 0, 0, 0, 0, 0, 0, services).Val != 0) { throw ('Error calling ConnectToService'); }
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services.funcs = require('win-com').marshalFunctions(services.Deref(), ServiceFunctions);
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if (services.funcs.ExecQuery(services.Deref(), language, query, WBEM_FLAG_BIDIRECTIONAL, 0, results).Val != 0) { throw ('Error in Query'); }
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results.funcs = require('win-com').marshalFunctions(results.Deref(), ResultsFunctions);
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var returnedCount = GM.CreateVariable(8);
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var result = GM.CreatePointer();
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var ret = [];
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while (results.funcs.Next(results.Deref(), WBEM_INFINITE, 1, result, returnedCount).Val == 0)
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{
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ret.push(enumerateProperties(result, fields));
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}
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results.funcs.Release(results.Deref());
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services.funcs.Release(services.Deref());
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locator.funcs.Release(locator);
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return (ret);
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}
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module.exports = { query: query, queryAsync: queryAsync };
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