// This function will check for the presence of old versions of the converter
UINT __stdcall DetectPreviousConverters(MSIHANDLE hInstall) {
int productsCount = sizeof(ProductsToDetect) / sizeof(ProductsToDetect[0]);
for (int i=0;i<productsCount;i++) {
TCHAR sBuf[512];
DWORD dwBufSize = sizeof(sBuf) / sizeof(sBuf[0]);
int nRet = MsiGetProductInfo(ProductsToDetect[i].ProductCode, INSTALLPROPERTY_PRODUCTNAME, sBuf, &dwBufSize);
switch (nRet) {
case ERROR_SUCCESS:
// Product is installed
OutputDebugString(_T("Product detected : "));
OutputDebugString(ProductsToDetect[i].ProductProperty);
OutputDebugString(_T("\n"));
nRet = MsiSetProperty(hInstall, ProductsToDetect[i].ProductProperty, _T("True"));
if (nRet != ERROR_SUCCESS) {
DisplayError(nRet, _T("MsiSetProperty"));
}
break;
case ERROR_UNKNOWN_PRODUCT:
// Product is not installed
OutputDebugString(_T("Product NOT detected : "));
OutputDebugString(ProductsToDetect[i].ProductProperty);
OutputDebugString(_T("\n"));
break;
default:
DisplayError(nRet, _T("MsiGetProductInfo"));
break;
}
}
return ERROR_SUCCESS;
}
static int filter(void *self, KDictionary const *fields, KAdd add, void *target)
{
char const *product = k_dictionary_get(fields, "product");
char const *feature = k_dictionary_get(fields, "feature");
char const *href = k_dictionary_get(fields, "href");
INSTALLSTATE state;
state = MsiQueryProductState(product);
state = MsiQueryFeatureState(product, feature);
char version[256];
char instloc[256];
MsiGetProductInfo(product, INSTALLPROPERTY_VERSION, version, NULL);
MsiGetProductInfo(product, INSTALLPROPERTY_INSTALLLOCATION, instloc, NULL);
printf("%s version %s\n", product, version);
printf("%s instloc %s\n", product, instloc);
}
void InstallChecker::getInstalledVersion(std::wstring upgradeCode,std::wstring &version) {
TCHAR prodCode[40];
version = L"none";
const wchar_t *code =upgradeCode.c_str();
if (ERROR_SUCCESS != MsiEnumRelatedProducts(code,0,0,prodCode)) return;
DWORD sz;
TCHAR version_prop[100];
sz = sizeof(version_prop) / sizeof(*version_prop);
MsiGetProductInfo(prodCode,INSTALLPROPERTY_VERSIONSTRING, version_prop,&sz);
version = version_prop;
}
QString InstallChecker::installedVersion( const QString &upgradeCode )
{
WCHAR prodCode[40];
const WCHAR *code = (const WCHAR*)upgradeCode.constData();
if( ERROR_SUCCESS != MsiEnumRelatedProducts( code, 0, 0, prodCode ) )
return "none";
DWORD sz;
WCHAR version_prop[100];
sz = sizeof(version_prop) / sizeof(*version_prop);
MsiGetProductInfo( prodCode, INSTALLPROPERTY_VERSIONSTRING, version_prop, &sz );
return QString::fromWCharArray( version_prop );
}
//通过MSI SDK来获取MSI安装信息
BOOL GetSoftwareFromMSI(LPCTSTR szKeySub, LPTSTR lpDisplayName)
{
TCHAR szProductGUID[MAX_PATH] = {0};
TCHAR szDisplayName[MAX_PATH] = {0};
DWORD dwLen = MAX_PATH;
int iEnumIndex = 0;
//MsiEnumProducts函数列举目前广告或安装的所有产品
//iEnumIndex:指定的商品检索的索引,szProductGUID:一个缓冲区，它接收乘积码的指针
UINT uRe = MsiEnumProducts(iEnumIndex, szProductGUID);
while(ERROR_NO_MORE_ITEMS != uRe)
{
if( 0 == lstrcmp(szKeySub, szProductGUID) )
{
dwLen = MAX_PATH;
memset(szDisplayName, 0, sizeof(szDisplayName));
//返回的产品信息发布和安装的产品
MsiGetProductInfo(szProductGUID, INSTALLPROPERTY_INSTALLEDPRODUCTNAME, szDisplayName, &dwLen);
if ( lstrlen(szDisplayName) > 0 )
{
//TCHAR szDisplayVersion[MAX_PATH] = {0};
//TCHAR szPublisher[MAX_PATH] = {0};
//TCHAR szInstallDate[MAX_PATH] = {0};
//缓冲区字符长度大于0，将值复制，返回TRUE结束
lstrcpy(lpDisplayName, szDisplayName);
return TRUE;
}
}
//匹配失败，索引加1，继续列举
iEnumIndex++;
memset(szProductGUID,0,sizeof(szProductGUID));
uRe = MsiEnumProducts(iEnumIndex,szProductGUID);
}
return FALSE;
}
DWORD findPlexLocation(WCHAR* szPlexLocation, DWORD *sizeBuff)
{
UINT uiStatus = ERROR_SUCCESS;
DWORD dwIndex = 0;
WCHAR wszAssignmentType[10] = {0};
WCHAR wszProductCode[cchGUID+1] = {0};
WCHAR szSid[128] = L"s-1-1-0";
DWORD cchSid;
DWORD cchAssignmentType = sizeof(wszAssignmentType)/sizeof(wszAssignmentType[0]);
DWORD cchProductName = MAX_PATH;
WCHAR* lpProductName = new WCHAR[cchProductName];
MSIINSTALLCONTEXT dwInstalledContext;
bool foundPlex = false;
do
{
uiStatus = MsiEnumProductsEx(NULL,
NULL,
MSIINSTALLCONTEXT_USERMANAGED | MSIINSTALLCONTEXT_USERUNMANAGED | MSIINSTALLCONTEXT_MACHINE,
dwIndex,
wszProductCode,
&dwInstalledContext,
szSid,
&cchSid);
if(ERROR_SUCCESS == uiStatus)
{
// obtain the user friendly name of the product
UINT uiReturn = MsiGetProductInfo(wszProductCode,INSTALLPROPERTY_PRODUCTNAME,lpProductName,&cchProductName);
if (ERROR_MORE_DATA == uiReturn)
{
// try again, but with a larger product name buffer
delete [] lpProductName;
// returned character count does not include
// terminating NULL
++cchProductName;
lpProductName = new WCHAR[cchProductName];
if (!lpProductName)
{
uiStatus = ERROR_OUTOFMEMORY;
break;
}
uiReturn = MsiGetProductInfo(wszProductCode,INSTALLPROPERTY_PRODUCTNAME,lpProductName,&cchProductName);
}
if (ERROR_SUCCESS != uiReturn)
{
// This halts the enumeration and fails. Alternatively the error
// could be logged and enumeration continued for the
// remainder of the products
uiStatus = ERROR_FUNCTION_FAILED;
break;
}
if(wcscmp(lpProductName, L"Plex Media Server") == 0)
{
// output information
wprintf(L" Product %s:\n", lpProductName);
//Enumerate All Components
DWORD dwComponentIdx = 0;
DWORD dwClientIdx = 0;
DWORD maxPath = MAX_PATH;
WCHAR lpComponentCode[cchGUID+1] = {0};
WCHAR* lpClientName = new WCHAR[cchGUID+1];
WCHAR* lpComponentPath = new WCHAR[maxPath];
WCHAR* lpComponentSubPath;
do
{
uiStatus = MsiEnumComponents(dwComponentIdx, lpComponentCode);
UINT clientStatus = ERROR_SUCCESS;
UINT pathStatus = ERROR_SUCCESS;
//For each component, enumerate the clients
do
{
clientStatus = MsiEnumClients(lpComponentCode, dwClientIdx, lpClientName);
//Only get the path if a matching client is found
if(clientStatus == ERROR_SUCCESS && 0 == wcscmp(lpClientName, wszProductCode))
{
maxPath = MAX_PATH;
pathStatus = MsiGetComponentPath(wszProductCode, lpComponentCode, lpComponentPath, &maxPath);
if(pathStatus == INSTALLSTATE_LOCAL && wcslen(lpComponentPath) > 0)
{
//We need to compare the end string to ensure it matches the name of the app
//This just does some pointer arithmetic
lpComponentSubPath = lpComponentPath + maxPath - APP_NAME_LEN;
if(0 == wcscmp(APP_NAME, lpComponentSubPath))
{
foundPlex = true;
wcscpy_s(szPlexLocation, *sizeBuff, lpComponentPath);
}
}
}
dwClientIdx++;
}while(ERROR_SUCCESS == clientStatus && !foundPlex);
dwClientIdx = 0;
dwComponentIdx++;
}while(ERROR_SUCCESS == uiStatus && !foundPlex);
delete [] lpClientName;
delete [] lpComponentPath;
lpClientName = lpComponentPath = lpComponentSubPath = NULL;
cchProductName = MAX_PATH;
}
}
dwIndex++;
}
while (ERROR_SUCCESS == uiStatus && !foundPlex);
if (lpProductName)
{
delete [] lpProductName;
lpProductName = NULL;
}
if(foundPlex && szPlexLocation)
{
*sizeBuff = (DWORD)wcslen(szPlexLocation);
return TRUE;
}
return FALSE;
}
