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getwu.cpp
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getwu.cpp
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#ifndef _UNICODE
#define _UNCODE
#endif
#ifndef UNICODE
#define UNICODE
#endif
#include <time.h>
#include <windows.h>
#include <tchar.h>
#include <wuapi.h>
#include <iostream>
#include <wuerror.h>
#include <shellapi.h>
#include <wininet.h>
#pragma comment(lib, "wininet.lib")
#pragma comment(lib, "ole32.lib")
#pragma comment(lib, "oleaut32.lib")
//See https://stackoverflow.com/questions/12949018/windows-update-agent-pure-win32-apis
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
HRESULT hr;
hr = CoInitialize(NULL);
int verbose = 0;
if (!InternetCheckConnection(TEXT("http://www.windowsupdate.com"), FLAG_ICC_FORCE_CONNECTION , NULL)) {
if (verbose)
wcout << L"Error connecting to microsoft..."<<endl;
return 1;
}
IUpdateSession* iUpdate;
IUpdateSearcher* searcher;
ISearchResult* results;
BSTR criteria;
if (argc >= 2) {
if (_tcscmp(argv[1], TEXT("-v")) == 0)
verbose = 1;
else
if (argc == 2)
criteria = SysAllocString(argv[1]);
if (argc == 3)
criteria = SysAllocString(argv[2]);
} else criteria = SysAllocString(L"Type='Software' and IsInstalled=0");
hr = CoCreateInstance(CLSID_UpdateSession, NULL, CLSCTX_INPROC_SERVER, IID_IUpdateSession, (LPVOID*)&iUpdate);
hr = iUpdate->CreateUpdateSearcher(&searcher);
if (verbose)
wcout << L"Searching for updates..."<<endl;
hr = searcher->Search(criteria, &results);
SysFreeString(criteria);
switch(hr)
{
case S_OK:
if (verbose)
wcout<<L"List of applicable items on the machine:"<<endl;
break;
case WU_E_LEGACYSERVER:
if (verbose)
wcout<<L"No server selection enabled"<<endl;
return 1;
case WU_E_INVALID_CRITERIA:
if (verbose)
wcout<<L"Invalid search criteria"<<endl;
return 1;
default:
if (verbose)
wcout << L"Error getting update catalog, please retry"<<endl;
return 1;
}
IUpdateCollection *updateList, *bundledList;
IUpdate *updateItem, *bundledItem;
IStringCollection *replacedIDs;
IUpdateIdentity *identity;
LONG updateSize, bundledSize, downloadSize, replacedSize;
BSTR updateName, urlString, descString, replacedID, identityID;
IUpdateDownloadContentCollection *downloadList;
IUpdateDownloadContent *downloadItem;
VARIANT_BOOL deltaAvailable, deltaPreferred, isBeta;
DownloadPriority prioLevel;
DeploymentAction actState;
DECIMAL maxDSize, minDSize;
DATE lastDate;
int isDelta = 0;
__time64_t nixtime;
struct tm *gm;
results->get_Updates(&updateList);
updateList->get_Count(&updateSize);
if (updateSize > 0)
for (LONG i = 0; i < updateSize; i++)
{
updateList->get_Item(i,&updateItem);
updateItem->get_BundledUpdates(&bundledList);
updateItem->get_SupersededUpdateIDs(&replacedIDs);
bundledList->get_Count(&bundledSize);
replacedIDs->get_Count(&replacedSize);
if (verbose) {
updateItem->get_Title(&updateName);
updateItem->get_Description(&descString);
updateItem->get_MaxDownloadSize(&maxDSize);
updateItem->get_MinDownloadSize(&minDSize);
updateItem->get_DeltaCompressedContentAvailable(&deltaAvailable);
updateItem->get_DeltaCompressedContentPreferred(&deltaPreferred);
if (deltaAvailable & deltaPreferred)
isDelta = 1;
updateItem->get_Identity(&identity);
identity->get_UpdateID(&identityID);
updateItem->get_DownloadPriority(&prioLevel);
updateItem->get_IsBeta(&isBeta);
updateItem->get_DeploymentAction(&actState);
updateItem->get_LastDeploymentChangeTime(&lastDate);
nixtime = (double)lastDate * 86400 - 2209161600;
gm = _gmtime64(&nixtime);
wprintf(L"\n%d. %s\nSize=%I64d\nDate=%sPriority=%d\nDelta=%d\nBeta=%d\nAction=%d\n",i+1,updateName, maxDSize.Lo64, _wasctime(gm), prioLevel, isDelta, isBeta, actState);
//wprintf(L"Description=%s\n", descString);
wcout << L"ID=" << identityID << endl;
if (replacedSize > 0) {
wcout << L"Superseded ID(s):" << endl;
for (LONG i = 0; i < replacedSize; i++) {
replacedIDs->get_Item(i,&replacedID);
wcout << replacedID << endl;
}
}
wcout << L"Download URL(s):" << endl;
}
if (bundledSize > 0)
for (LONG i = 0; i < bundledSize; i++) {
bundledList->get_Item(i,&bundledItem);
bundledItem->get_DownloadContents(&downloadList);
downloadList->get_Count(&downloadSize);
if (downloadSize > 0)
for (LONG i = 0; i < downloadSize; i++) {
downloadList->get_Item(i,&downloadItem);
downloadItem->get_DownloadUrl(&urlString);
wcout << urlString << endl;
}
}
else {
updateItem->get_DownloadContents(&downloadList);
downloadList->get_Count(&downloadSize);
if (downloadSize > 0)
for (LONG i = 0; i < downloadSize; i++) {
downloadList->get_Item(i,&downloadItem);
downloadItem->get_DownloadUrl(&urlString);
wcout << urlString << endl;
}
}
}
::CoUninitialize();
return 0;
}