windows-nt/Source/XPSP1/NT/shell/cpls/appwzdui/apithk.c
2020-09-26 16:20:57 +08:00

961 lines
27 KiB
C

//
// APITHK.C
//
// This file has API thunks that allow shell32 to load and run on
// multiple versions of NT or Win95. Since this component needs
// to load on the base-level NT 4.0 and Win95, any calls to system
// APIs introduced in later OS versions must be done via GetProcAddress.
//
// Also, any code that may need to access data structures that are
// post-4.0 specific can be added here.
//
// NOTE: this file does *not* use the standard precompiled header,
// so it can set _WIN32_WINNT to a later version.
//
#include "priv.h" // Don't use precompiled header here
#include "appwiz.h"
#define c_szARPJob TEXT("ARP Job")
// Return: hIOPort for the CompletionPort
HANDLE _SetJobCompletionPort(HANDLE hJob)
{
HANDLE hRet = NULL;
HANDLE hIOPort = CreateIoCompletionPort( INVALID_HANDLE_VALUE, NULL, (ULONG_PTR)hJob, 1 );
if ( hIOPort != NULL )
{
JOBOBJECT_ASSOCIATE_COMPLETION_PORT CompletionPort;
CompletionPort.CompletionKey = hJob ;
CompletionPort.CompletionPort = hIOPort;
if (SetInformationJobObject( hJob,JobObjectAssociateCompletionPortInformation,
&CompletionPort, sizeof(CompletionPort) ) )
{
hRet = hIOPort;
}
}
return hRet;
}
STDAPI_(DWORD) WaitingThreadProc(void *pv)
{
HANDLE hIOPort = (HANDLE)pv;
// RIP(hIOPort);
DWORD dwCompletionCode;
PVOID pCompletionKey;
LPOVERLAPPED lpOverlapped;
while (TRUE)
{
// Wait for all the processes to finish...
if (!GetQueuedCompletionStatus( hIOPort, &dwCompletionCode, (PULONG_PTR) &pCompletionKey,
&lpOverlapped, INFINITE ) || (dwCompletionCode == JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO))
{
break;
}
}
return 0;
}
/*-------------------------------------------------------------------------
Purpose: Creates a process and waits for it to finish
*/
STDAPI_(BOOL) NT5_CreateAndWaitForProcess(LPTSTR pszExeName)
{
PROCESS_INFORMATION pi = {0};
STARTUPINFO si = {0};
BOOL fWorked = FALSE;
#ifdef WX86
DWORD cchArch;
WCHAR szArchValue[32];
#endif
HANDLE hJob = CreateJobObject(NULL, c_szARPJob);
if (hJob)
{
HANDLE hIOPort = _SetJobCompletionPort(hJob);
if (hIOPort)
{
DWORD dwCreationFlags = 0;
// Create the install process
si.cb = sizeof(si);
#ifdef WX86
if (bWx86Enabled && bForceX86Env) {
cchArch = GetEnvironmentVariableW(ProcArchName,
szArchValue,
sizeof(szArchValue)
);
if (!cchArch || cchArch >= sizeof(szArchValue)) {
szArchValue[0]=L'\0';
}
SetEnvironmentVariableW(ProcArchName, L"x86");
}
#endif
dwCreationFlags = CREATE_SUSPENDED | CREATE_SEPARATE_WOW_VDM;
// Create the process
fWorked = CreateProcess(NULL, pszExeName, NULL, NULL, FALSE, dwCreationFlags, NULL, NULL,
&si, &pi);
if (fWorked)
{
HANDLE hWait = NULL;
if (AssignProcessToJobObject(hJob, pi.hProcess))
{
hWait = CreateThread(NULL, 0, WaitingThreadProc, (LPVOID)hIOPort, 0, NULL);
}
if (hWait == NULL)
{
// We might get here if the call to AssignProcessToJobObject has failed because
// the process already has a job assigned to it, or because we couldn't create the
// waiting thread. Try a more direct approach by just watching the process handle.
// This method won't catch spawned processes, but it is better than nothing.
hWait = pi.hProcess;
}
else
{
// we are not waiting on the process handle, so we are done /w it.
CloseHandle(pi.hProcess);
}
ResumeThread(pi.hThread);
CloseHandle(pi.hThread);
#ifdef WX86
if (bWx86Enabled && bForceX86Env)
{
SetEnvironmentVariableW(ProcArchName, szArchValue);
}
#endif
// we should have a valid handle at this point for sure
ASSERT(hWait && (hWait != INVALID_HANDLE_VALUE));
SHProcessSentMessagesUntilEvent(NULL, hWait, INFINITE);
CloseHandle(hWait);
}
CloseHandle(hIOPort);
}
CloseHandle(hJob);
}
return fWorked;
}
#define PFN_FIRSTTIME ((void *)-1)
// GetLongPathName
typedef UINT (WINAPI * PFNGETLONGPATHNAME)(LPCTSTR pszShortPath, LPTSTR pszLongBuf, DWORD cchBuf);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's GetLongPathName
*/
DWORD NT5_GetLongPathName(LPCTSTR pszShortPath, LPTSTR pszLongBuf, DWORD cchBuf)
{
static PFNGETLONGPATHNAME s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
// It is safe to GetModuleHandle KERNEL32 because we implicitly link
// to it, so it is guaranteed to be loaded in every thread.
HINSTANCE hinst = GetModuleHandleA("KERNEL32.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNGETLONGPATHNAME)GetProcAddress(hinst, "GetLongPathNameW");
#else
s_pfn = (PFNGETLONGPATHNAME)GetProcAddress(hinst, "GetLongPathNameA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(pszShortPath, pszLongBuf, cchBuf);
if (0 < cchBuf && pszLongBuf)
*pszLongBuf = 0;
return 0; // failure
}
// VerSetConditionMask
typedef ULONGLONG (WINAPI * PFNVERSETCONDITIONMASK)(ULONGLONG conditionMask, DWORD dwTypeMask, BYTE condition);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's VerSetConditionMask
*/
ULONGLONG NT5_VerSetConditionMask(ULONGLONG conditionMask, DWORD dwTypeMask, BYTE condition)
{
static PFNVERSETCONDITIONMASK s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
// It is safe to GetModuleHandle KERNEL32 because we implicitly link
// to it, so it is guaranteed to be loaded in every thread.
HINSTANCE hinst = GetModuleHandleA("KERNEL32.DLL");
if (hinst)
s_pfn = (PFNVERSETCONDITIONMASK)GetProcAddress(hinst, "VerSetConditionMask");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(conditionMask, dwTypeMask, condition);
return 0; // failure
}
// MsiReinstallProduct
typedef UINT (WINAPI * PFNMSIREINSTALLPRODUCT) (LPCTSTR szProduct, DWORD dwReinstallMode);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiReinstallProduct
*/
UINT MSI_MsiReinstallProduct(LPCTSTR szProduct, DWORD dwReinstallMode)
{
static PFNMSIREINSTALLPRODUCT s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIREINSTALLPRODUCT)GetProcAddress(hinst, "MsiReinstallProductW");
#else
s_pfn = (PFNMSIREINSTALLPRODUCT)GetProcAddress(hinst, "MsiReinstallProductA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(szProduct, dwReinstallMode);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiEnumProducts
typedef UINT (WINAPI * PFNMSIENUMPRODUCTS) (DWORD iProductIndex, LPTSTR lpProductBuf);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiEnumProducts
*/
UINT MSI_MsiEnumProducts(DWORD iProductIndex, LPTSTR lpProductBuf)
{
static PFNMSIENUMPRODUCTS s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIENUMPRODUCTS)GetProcAddress(hinst, "MsiEnumProductsW");
#else
s_pfn = (PFNMSIENUMPRODUCTS)GetProcAddress(hinst, "MsiEnumProductsA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(iProductIndex, lpProductBuf);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiEnumFeatures
typedef UINT (WINAPI * PFNMSIENUMFEATURES) (LPCTSTR szProduct, DWORD iFeatureIndex, LPTSTR lpFeatureBuf, LPTSTR lpParentBuf);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiEnumFeatures
*/
UINT MSI_MsiEnumFeatures(LPCTSTR szProduct, DWORD iFeatureIndex, LPTSTR lpFeatureBuf, LPTSTR lpParentBuf)
{
static PFNMSIENUMFEATURES s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIENUMFEATURES)GetProcAddress(hinst, "MsiEnumFeaturesW");
#else
s_pfn = (PFNMSIENUMFEATURES)GetProcAddress(hinst, "MsiEnumFeaturesA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(szProduct, iFeatureIndex, lpFeatureBuf, lpParentBuf);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiGetProductInfo
typedef UINT (WINAPI * PFNMSIGETPRODUCTINFO) (LPCTSTR szProduct, LPCTSTR szAttribute, LPTSTR lpValueBuf, DWORD *pcchValueBuf);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiGetProductInfo
*/
UINT MSI_MsiGetProductInfo(LPCTSTR szProduct, LPCTSTR szAttribute, LPTSTR lpValueBuf, DWORD *pcchValueBuf)
{
static PFNMSIGETPRODUCTINFO s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIGETPRODUCTINFO)GetProcAddress(hinst, "MsiGetProductInfoW");
#else
s_pfn = (PFNMSIGETPRODUCTINFO)GetProcAddress(hinst, "MsiGetProductInfoA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(szProduct, szAttribute, lpValueBuf, pcchValueBuf);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiSetInternalUI
typedef INSTALLUILEVEL (WINAPI * PFNMSISETINTERNALUI) (INSTALLUILEVEL dwUILevel, HWND * phwnd);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiSetInternalUI
*/
INSTALLUILEVEL MSI_MsiSetInternalUI(INSTALLUILEVEL dwUILevel, HWND * phwnd)
{
static PFNMSISETINTERNALUI s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
s_pfn = (PFNMSISETINTERNALUI)GetProcAddress(hinst, "MsiSetInternalUI");
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(dwUILevel, phwnd);
return INSTALLUILEVEL_NOCHANGE;
}
// MsiConfigureProduct
typedef UINT (WINAPI * PFNMSICONFIGUREPRODUCT) (LPCTSTR szProduct, int iInstallLevel, INSTALLSTATE eInstallState);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiConfigureProduct
*/
UINT MSI_MsiConfigureProduct(LPCTSTR szProduct, int iInstallLevel, INSTALLSTATE eInstallState)
{
static PFNMSICONFIGUREPRODUCT s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSICONFIGUREPRODUCT)GetProcAddress(hinst, "MsiConfigureProductW");
#else
s_pfn = (PFNMSICONFIGUREPRODUCT)GetProcAddress(hinst, "MsiConfigureProductA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(szProduct, iInstallLevel, eInstallState);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiQueryProductState
typedef INSTALLSTATE (WINAPI * PFNMSIQUERYPRODUCTSTATE) (LPCTSTR szProductID);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiQueryProductState
*/
INSTALLSTATE MSI_MsiQueryProductState(LPCTSTR szProductID)
{
static PFNMSIQUERYPRODUCTSTATE s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIQUERYPRODUCTSTATE)GetProcAddress(hinst, "MsiQueryProductStateW");
#else
s_pfn = (PFNMSIQUERYPRODUCTSTATE)GetProcAddress(hinst, "MsiQueryProductStateA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(szProductID);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiQueryFeatureState
typedef INSTALLSTATE (WINAPI * PFNMSIQUERYFEATURESTATE) (LPCTSTR szProductID, LPCTSTR szFeature);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiQueryFeatureState
*/
INSTALLSTATE MSI_MsiQueryFeatureState(LPCTSTR szProductID, LPCTSTR szFeature)
{
static PFNMSIQUERYFEATURESTATE s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIQUERYFEATURESTATE)GetProcAddress(hinst, "MsiQueryFeatureStateW");
#else
s_pfn = (PFNMSIQUERYFEATURESTATE)GetProcAddress(hinst, "MsiQueryFeatureStateA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(szProductID, szFeature);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiOpenPackage
typedef UINT (WINAPI * PFNMSIOPENPACKAGE) (LPCTSTR szPackagePath, MSIHANDLE * hProduct);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiOpenPackage
*/
UINT MSI_MsiOpenPackage(LPCTSTR szPackagePath, MSIHANDLE * hProduct)
{
static PFNMSIOPENPACKAGE s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIOPENPACKAGE)GetProcAddress(hinst, "MsiOpenPackageW");
#else
s_pfn = (PFNMSIOPENPACKAGE)GetProcAddress(hinst, "MsiOpenPackageA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(szPackagePath, hProduct);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiCloseHandle
typedef UINT (WINAPI * PFNMSICLOSEHANDLE) (MSIHANDLE hAny);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiCloseHandle
*/
UINT MSI_MsiCloseHandle(MSIHANDLE hAny)
{
static PFNMSICLOSEHANDLE s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
s_pfn = (PFNMSICLOSEHANDLE)GetProcAddress(hinst, "MsiCloseHandle");
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(hAny);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiDoAction
typedef UINT (WINAPI * PFNMSIDOACTION) (MSIHANDLE hAny, LPCTSTR szAction);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiDoAction
*/
UINT MSI_MsiDoAction(MSIHANDLE hAny, LPCTSTR szAction)
{
static PFNMSIDOACTION s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIDOACTION)GetProcAddress(hinst, "MsiDoActionW");
#else
s_pfn = (PFNMSIDOACTION)GetProcAddress(hinst, "MsiDoActionA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(hAny, szAction);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiGetFeatureCost
typedef UINT (WINAPI * PFNMSIGETFEATURECOST) (MSIHANDLE hInstall, LPCTSTR szFeature, MSICOSTTREE iCostTree, INSTALLSTATE iState, INT *piCost);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiGetFeatureCost
*/
UINT MSI_MsiGetFeatureCost(MSIHANDLE hInstall, LPCTSTR szFeature, MSICOSTTREE iCostTree, INSTALLSTATE iState, INT *piCost)
{
static PFNMSIGETFEATURECOST s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSIGETFEATURECOST)GetProcAddress(hinst, "MsiGetFeatureCostW");
#else
s_pfn = (PFNMSIGETFEATURECOST)GetProcAddress(hinst, "MsiGetFeatureCostA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(hInstall, szFeature, iCostTree, iState, piCost);
return ERROR_CALL_NOT_IMPLEMENTED;
}
// MsiSetFeatureState
typedef UINT (WINAPI * PFNMSISETFEATURESTATE) (MSIHANDLE hInstall, LPCTSTR szFeature, INSTALLSTATE iState);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's MsiSetFeatureState
*/
UINT MSI_MsiSetFeatureState(MSIHANDLE hInstall, LPCTSTR szFeature, INSTALLSTATE iState)
{
static PFNMSISETFEATURESTATE s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("MSI.DLL");
if (hinst)
{
// The unicode-decorated MSI APIs translate to ansi internally
// on Win95, so it should be safe to call them all the time.
#ifdef UNICODE
s_pfn = (PFNMSISETFEATURESTATE)GetProcAddress(hinst, "MsiSetFeatureStateW");
#else
s_pfn = (PFNMSISETFEATURESTATE)GetProcAddress(hinst, "MsiSetFeatureStateA");
#endif
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(hInstall, szFeature, iState);
return ERROR_CALL_NOT_IMPLEMENTED;
}
typedef HRESULT (__stdcall * PFNRELEASEAPPCATEGORYINFOLIST)(APPCATEGORYINFOLIST *pAppCategoryList);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's ReleaseAppCategoryInfoList
*/
HRESULT NT5_ReleaseAppCategoryInfoList(APPCATEGORYINFOLIST *pAppCategoryList)
{
static PFNRELEASEAPPCATEGORYINFOLIST s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("APPMGMTS.DLL");
if (hinst)
s_pfn = (PFNRELEASEAPPCATEGORYINFOLIST)GetProcAddress(hinst, "ReleaseAppCategoryInfoList");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(pAppCategoryList);
return E_NOTIMPL;
}
/*----------------------------------------------------------
Purpose: Thunk for NT 5's AllowSetForegroundWindow
*/
typedef UINT (WINAPI * PFNALLOWSFW) (DWORD dwPRocessID);
BOOL NT5_AllowSetForegroundWindow(DWORD dwProcessID)
{
static PFNALLOWSFW s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("USER32.DLL");
if (hinst)
{
s_pfn = (PFNALLOWSFW)GetProcAddress(hinst, "AllowSetForegroundWindow");
}
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(dwProcessID);
return FALSE;
}
// InstallApplication
typedef DWORD (WINAPI * PFNINSTALLAPP)(PINSTALLDATA pInstallInfo);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's InstallApplication
*/
DWORD NT5_InstallApplication(PINSTALLDATA pInstallInfo)
{
static PFNINSTALLAPP s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
// It is safe to GetModuleHandle ADVAPI32 because we implicitly link
// to it, so it is guaranteed to be loaded in every thread.
HINSTANCE hinst = GetModuleHandleA("ADVAPI32.DLL");
if (hinst)
s_pfn = (PFNINSTALLAPP)GetProcAddress(hinst, "InstallApplication");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(pInstallInfo);
return ERROR_INVALID_FUNCTION; // failure
}
// UninstallApplication
typedef DWORD (WINAPI * PFNUNINSTALLAPP)(WCHAR * pszProductCode, DWORD dwStatus);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's UninstallApplication
*/
DWORD NT5_UninstallApplication(WCHAR * pszProductCode, DWORD dwStatus)
{
static PFNUNINSTALLAPP s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
// It is safe to GetModuleHandle ADVAPI32 because we implicitly link
// to it, so it is guaranteed to be loaded in every thread.
HINSTANCE hinst = GetModuleHandleA("ADVAPI32.DLL");
if (hinst)
s_pfn = (PFNUNINSTALLAPP)GetProcAddress(hinst, "UninstallApplication");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(pszProductCode, dwStatus);
return ERROR_INVALID_FUNCTION; // failure
}
// GetApplicationState
typedef DWORD (WINAPI * PFNGETAPPSTATE)(WCHAR * ProductCode, APPSTATE * pAppState);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's GetApplicationState
*/
DWORD NT5_GetApplicationState(WCHAR * pszProductCode, APPSTATE * pAppState)
{
static PFNGETAPPSTATE s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
// It is safe to GetModuleHandle ADVAPI32 because we implicitly link
// to it, so it is guaranteed to be loaded in every thread.
HINSTANCE hinst = GetModuleHandleA("ADVAPI32.DLL");
if (hinst)
s_pfn = (PFNGETAPPSTATE)GetProcAddress(hinst, "GetApplicationState");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(pszProductCode, pAppState);
return ERROR_INVALID_FUNCTION; // failure
}
// CommandLineFromMsiDescriptor
typedef DWORD (WINAPI * PFNCMDLINE)(WCHAR * Descriptor, WCHAR * CommandLine, DWORD * CommandLineLength);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's CommandLineFromMsiDescriptor
*/
DWORD NT5_CommandLineFromMsiDescriptor(WCHAR * pszDescriptor, WCHAR * pszCommandLine, DWORD * pcchCommandLine)
{
static PFNCMDLINE s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
// It is safe to GetModuleHandle ADVAPI32 because we implicitly link
// to it, so it is guaranteed to be loaded in every thread.
HINSTANCE hinst = GetModuleHandleA("ADVAPI32.DLL");
if (hinst)
s_pfn = (PFNCMDLINE)GetProcAddress(hinst, "CommandLineFromMsiDescriptor");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(pszDescriptor, pszCommandLine, pcchCommandLine);
return ERROR_INVALID_FUNCTION; // failure
}
// GetManagedApplications
typedef DWORD (WINAPI * PFNGETAPPS)(GUID * pCategory, DWORD dwQueryFlags, DWORD dwInfoLevel, LPDWORD pdwApps, PMANAGEDAPPLICATION* prgManagedApps);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's GetManagedApplications
*/
DWORD NT5_GetManagedApplications(GUID * pCategory, DWORD dwQueryFlags, DWORD dwInfoLevel, LPDWORD pdwApps, PMANAGEDAPPLICATION* prgManagedApps)
{
static PFNGETAPPS s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
// It is safe to GetModuleHandle ADVAPI32 because we implicitly link
// to it, so it is guaranteed to be loaded in every thread.
HINSTANCE hinst = GetModuleHandleA("ADVAPI32.DLL");
if (hinst)
s_pfn = (PFNGETAPPS)GetProcAddress(hinst, "GetManagedApplications");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(pCategory, dwQueryFlags, dwInfoLevel, pdwApps, prgManagedApps);
return ERROR_INVALID_FUNCTION; // failure
}
typedef DWORD (__stdcall * PFNGETMANAGEDAPPLICATIONCATEGORIES)(DWORD dwReserved, APPCATEGORYINFOLIST *pAppCategoryList);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's CsGetAppCategories
*/
DWORD NT5_GetManagedApplicationCategories(DWORD dwReserved, APPCATEGORYINFOLIST *pAppCategoryList)
{
static PFNGETMANAGEDAPPLICATIONCATEGORIES s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("ADVAPI32.DLL");
if (hinst)
s_pfn = (PFNGETMANAGEDAPPLICATIONCATEGORIES)GetProcAddress(hinst, "GetManagedApplicationCategories");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(dwReserved, pAppCategoryList);
return ERROR_INVALID_FUNCTION;
}
// NetGetJoinInformation
typedef NET_API_STATUS (WINAPI * PFNGETJOININFO)(LPCWSTR lpServer, LPWSTR *lpNameBuffer, PNETSETUP_JOIN_STATUS BufferType);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's NetGetJoinInformation
*/
NET_API_STATUS NT5_NetGetJoinInformation(LPCWSTR lpServer, LPWSTR *lpNameBuffer, PNETSETUP_JOIN_STATUS BufferType)
{
static PFNGETJOININFO s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("NETAPI32.DLL");
GetLastError();
if (hinst)
s_pfn = (PFNGETJOININFO)GetProcAddress(hinst, "NetGetJoinInformation");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(lpServer, lpNameBuffer, BufferType);
return NERR_NetNotStarted; // failure
}
// NetApiBufferFree
typedef NET_API_STATUS (WINAPI * PFNNETFREEBUFFER)(LPVOID lpBuffer);
/*----------------------------------------------------------
Purpose: Thunk for NT 5's NetApiBufferFree
*/
NET_API_STATUS NT5_NetApiBufferFree(LPVOID lpBuffer)
{
static PFNNETFREEBUFFER s_pfn = PFN_FIRSTTIME;
if (PFN_FIRSTTIME == s_pfn)
{
HINSTANCE hinst = LoadLibraryA("NETAPI32.DLL");
if (hinst)
s_pfn = (PFNNETFREEBUFFER)GetProcAddress(hinst, "NetApiBufferFree");
else
s_pfn = NULL;
}
if (s_pfn)
return s_pfn(lpBuffer);
return NERR_NetNotStarted; // failure
}