#define
DESKTOP_ALL (
DESKTOP_READOBJECTS |
DESKTOP_CreateWINDOW |
/
DESKTOP_CreateMENU |
DESKTOP_HOOKCONTROL |
DESKTOP_JOURNALRECORD |
/
DESKTOP_JOURNALPLAYBACK |
DESKTOP_ENUMERATE |
DESKTOP_WRITEOBJECTS |
/
DESKTOP_SWITCHDESKTOP |
STANDARD_RIGHTS_REQUIRED)
#define WINSTA_ALL (
WINSTA_ENUMDESKTOPS |
WINSTA_READATTRIBUTES |
/
WINSTA_ACCESSCLIPBOARD |
WINSTA_CreateDESKTOP |
WINSTA_WRITEATTRIBUTES |
/
WINSTA_ACCESSGLOBALATOMS |
WINSTA_EXITWINDOWS |
WINSTA_ENUMERATE |
/
WINSTA_READSCREEN |
STANDARD_RIGHTS_REQUIRED)
#define GENERIC_ACCESS (
GENERIC_READ |
GENERIC_WRITE |
GENERIC_EXECUTE |
GENERIC_ALL)
BOOL AddAceToWindowStation(
HWINSTA hwinsta,
PSID psid)
;
BOOL AddAceToDesktop(
HDESK hdesk,
PSID psid)
;
BOOL GetLogonSID (
HANDLE hToken,
PSID *
ppsid)
;
VOID FreeLogonSID (
PSID *
ppsid)
;
BOOL StartInteractiveClientProcess (
LPTSTR lpszUsername,
// client to log on
LPTSTR lpszDomain, // domain of client's account
LPTSTR lpszPassword, // client's password
LPTSTR lpCommandLine // command line to execute
);
/*
int main()
{
StartInteractiveClientProcess("test",NULL,"wrxzyl","C://Program Files//Internet Explorer//IEXPLORE.EXE http://www.zxboy.com
");
return 0;
}
*/
BOOL StartInteractiveClientProcess (
LPTSTR lpszUsername, // client to log on
LPTSTR lpszDomain, // domain of client's account
LPTSTR lpszPassword, // client's password
LPTSTR lpCommandLine // command line to execute
)
{
HANDLE hToken;
HDESK hdesk = NULL;
HWINSTA hwinsta = NULL, hwinstaSave = NULL;
PROCESS_INFORMATION pi;
PSID pSid = NULL;
STARTUPINFO si;
BOOL bResult = FALSE;
// Log the client on to the local computer.
if (!LogonUser(
lpszUsername,
lpszDomain,
lpszPassword,
LOGON32_LOGON_INTERACTIVE,
LOGON32_PROVIDER_DEFAULT,
&hToken) )
{
goto Cleanup;
}
// Save a handle to the caller's current window station.
if ( (hwinstaSave = GetProcessWindowStation() ) == NULL)
goto Cleanup;
// Get a handle to the interactive window station.
hwinsta = OpenWindowStation(
"winsta0", // the interactive window station
FALSE, // handle is not inheritable
READ_CONTROL | WRITE_DAC); // rights to read/write the DACL
if (hwinsta == NULL)
goto Cleanup;
// To get the correct default desktop, set the caller's
// window station to the interactive window station.
if (!SetProcessWindowStation(hwinsta))
goto Cleanup;
// Get a handle to the interactive desktop.
hdesk = OpenDesktop(
"default", // the interactive window station
0, // no interaction with other desktop processes
FALSE, // handle is not inheritable
READ_CONTROL | // request the rights to read and write the DACL
WRITE_DAC |
DESKTOP_WRITEOBJECTS |
DESKTOP_READOBJECTS);
// Restore the caller's window station.
if (!SetProcessWindowStation(hwinstaSave))
goto Cleanup;
if (hdesk == NULL)
goto Cleanup;
// Get the SID for the client's logon session.
if (!GetLogonSID(hToken, &pSid))
goto Cleanup;
// Allow logon SID full access to interactive window station.
if (! AddAceToWindowStation(hwinsta, pSid) )
goto Cleanup;
// Allow logon SID full access to interactive desktop.
if (! AddAceToDesktop(hdesk, pSid) )
goto Cleanup;
// Impersonate client to ensure access to executable file.
if (! ImpersonateLoggedOnUser(hToken) )
goto Cleanup;
// Initialize the STARTUPINFO structure.
// Specify that the process runs in the interactive desktop.
ZeroMemory(&si, sizeof(STARTUPINFO));
si.cb= sizeof(STARTUPINFO);
si.lpDesktop = TEXT("winsta0//default");
// Launch the process in the client's logon session.
bResult = CreateProcessAsUser(
hToken, // client's access token
NULL, // file to execute
lpCommandLine, // command line
NULL, // pointer to process SECURITY_ATTRIBUTES
NULL, // pointer to thread SECURITY_ATTRIBUTES
FALSE, // handles are not inheritable
NORMAL_PRIORITY_CLASS | Create_NEW_CONSOLE, // creation flags
NULL, // pointer to new environment block
NULL, // name of current directory
&si, // pointer to STARTUPINFO structure
π // receives information about new process
);
// End impersonation of client.
//dwError=GetLastError();
RevertToSelf();
if (bResult && pi.hProcess != INVALID_HANDLE_VALUE)
{
WaitForSingleObject(pi.hProcess, INFINITE);
CloseHandle(pi.hProcess);
}
if (pi.hThread != INVALID_HANDLE_VALUE)
CloseHandle(pi.hThread);
Cleanup:
if (hwinstaSave != NULL)
SetProcessWindowStation (hwinstaSave);
// Free the buffer for the logon SID.
if (pSid)
FreeLogonSID(&pSid);
// Close the handles to the interactive window station and desktop.
if (hwinsta)
CloseWindowStation(hwinsta);
if (hdesk)
CloseDesktop(hdesk);
// Close the handle to the client's access token.
if (hToken != INVALID_HANDLE_VALUE)
CloseHandle(hToken);
return bResult;
}
BOOL AddAceToWindowStation(HWINSTA hwinsta,PSID psid)
{
ACCESS_ALLOWED_ACE *pace;
ACL_SIZE_INFORMATION aclSizeInfo;
BOOL bDaclExist;
BOOL bDaclPresent;
BOOL bSuccess = FALSE;
DWORD dwNewAclSize;
DWORD dwSidSize = 0;
DWORD dwSdSizeNeeded;
PACL pacl;
PACL pNewAcl;
PSECURITY_DESCRIPTOR psd = NULL;
PSECURITY_DESCRIPTOR psdNew = NULL;
PVOID pTempAce;
SECURITY_INFORMATION si = DACL_SECURITY_INFORMATION;
unsigned int i;
__try
{
// Obtain the DACL for the window station.
if (!GetUserObjectSecurity(
hwinsta,
&si,
psd,
dwSidSize,
&dwSdSizeNeeded)
)
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
psd = (PSECURITY_DESCRIPTOR)HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
dwSdSizeNeeded);
if (psd == NULL)
__leave;
psdNew = (PSECURITY_DESCRIPTOR)HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
dwSdSizeNeeded);
if (psdNew == NULL)
__leave;
dwSidSize = dwSdSizeNeeded;
if (!GetUserObjectSecurity(
hwinsta,
&si,
psd,
dwSidSize,
&dwSdSizeNeeded)
)
__leave;
}
else
__leave;
// Create a new DACL.
if (!InitializeSecurityDescriptor(
psdNew,
SECURITY_DESCRIPTOR_REVISION)
)
__leave;
// Get the DACL from the security descriptor.
if (!GetSecurityDescriptorDacl(
psd,
&bDaclPresent,
&pacl,
&bDaclExist)
)
__leave;
// Initialize the ACL.
ZeroMemory(&aclSizeInfo, sizeof(ACL_SIZE_INFORMATION));
aclSizeInfo.AclBytesInUse = sizeof(ACL);
// Call only if the DACL is not NULL.
if (pacl != NULL)
{
// get the file ACL size info
if (!GetAclInformation(
pacl,
(LPVOID)&aclSizeInfo,
sizeof(ACL_SIZE_INFORMATION),
AclSizeInformation)
)
__leave;
}
// Compute the size of the new ACL.
dwNewAclSize = aclSizeInfo.AclBytesInUse +
(2*sizeof(ACCESS_ALLOWED_ACE)) + (2*GetLengthSid(psid)) -
(2*sizeof(DWORD));
// Allocate memory for the new ACL.
pNewAcl = (PACL)HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
dwNewAclSize);
if (pNewAcl == NULL)
__leave;
// Initialize the new DACL.
if (!InitializeAcl(pNewAcl, dwNewAclSize, ACL_REVISION))
__leave;
// If DACL is present, copy it to a new DACL.
if (bDaclPresent)
{
// Copy the ACEs to the new ACL.
if (aclSizeInfo.AceCount)
{
for (i=0; i < aclSizeInfo.AceCount; i++)
{
// Get an ACE.
if (!GetAce(pacl, i, &pTempAce))
__leave;
// Add the ACE to the new ACL.
if (!AddAce(
pNewAcl,
ACL_REVISION,
MAXDWORD,
pTempAce,
((PACE_HEADER)pTempAce)->AceSize)
)
__leave;
}
}
}
// Add the first ACE to the window station.
pace = (ACCESS_ALLOWED_ACE *)HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
sizeof(ACCESS_ALLOWED_ACE) + GetLengthSid(psid) -
sizeof(DWORD));
if (pace == NULL)
__leave;
pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
pace->Header.AceFlags = CONTAINER_INHERIT_ACE |
INHERIT_ONLY_ACE | OBJECT_INHERIT_ACE;
pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE) +
GetLengthSid(psid) - sizeof(DWORD);
pace->Mask = GENERIC_ACCESS;
if (!CopySid(GetLengthSid(psid), &pace->SidStart, psid))
__leave;
if (!AddAce(
pNewAcl,
ACL_REVISION,
MAXDWORD,
(LPVOID)pace,
pace->Header.AceSize)
)
__leave;
// Add the second ACE to the window station.
pace->Header.AceFlags = NO_PROPAGATE_INHERIT_ACE;
pace->Mask = WINSTA_ALL;
if (!AddAce(
pNewAcl,
ACL_REVISION,
MAXDWORD,
(LPVOID)pace,
pace->Header.AceSize)
)
__leave;
// Set a new DACL for the security descriptor.
if (!SetSecurityDescriptorDacl(
psdNew,
TRUE,
pNewAcl,
FALSE)
)
__leave;
// Set the new security descriptor for the window station.
if (!SetUserObjectSecurity(hwinsta, &si, psdNew))
__leave;
// Indicate success.
bSuccess = TRUE;
}
__finally
{
// Free the allocated buffers.
if (pace != NULL)
HeapFree(GetProcessHeap(), 0, (LPVOID)pace);
if (pNewAcl != NULL)
HeapFree(GetProcessHeap(), 0, (LPVOID)pNewAcl);
if (psd != NULL)
HeapFree(GetProcessHeap(), 0, (LPVOID)psd);
if (psdNew != NULL)
HeapFree(GetProcessHeap(), 0, (LPVOID)psdNew);
}
return bSuccess;
}
BOOL AddAceToDesktop(HDESK hdesk, PSID psid)
{
ACL_SIZE_INFORMATION aclSizeInfo;
BOOL bDaclExist;
BOOL bDaclPresent;
BOOL bSuccess = FALSE;
DWORD dwNewAclSize;
DWORD dwSidSize = 0;
DWORD dwSdSizeNeeded;
PACL pacl;
PACL pNewAcl;
PSECURITY_DESCRIPTOR psd = NULL;
PSECURITY_DESCRIPTOR psdNew = NULL;
PVOID pTempAce;
SECURITY_INFORMATION si = DACL_SECURITY_INFORMATION;
unsigned int i;
__try
{
// Obtain the security descriptor for the desktop object.
if (!GetUserObjectSecurity(
hdesk,
&si,
psd,
dwSidSize,
&dwSdSizeNeeded))
{
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
psd = (PSECURITY_DESCRIPTOR)HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
dwSdSizeNeeded );
if (psd == NULL)
__leave;
psdNew = (PSECURITY_DESCRIPTOR)HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
dwSdSizeNeeded);
if (psdNew == NULL)
__leave;
dwSidSize = dwSdSizeNeeded;
if (!GetUserObjectSecurity(
hdesk,
&si,
psd,
dwSidSize,
&dwSdSizeNeeded)
)
__leave;
}
else
__leave;
}
// Create a new security descriptor.
if (!InitializeSecurityDescriptor(
psdNew,
SECURITY_DESCRIPTOR_REVISION)
)
__leave;
// Obtain the DACL from the security descriptor.
if (!GetSecurityDescriptorDacl(
psd,
&bDaclPresent,
&pacl,
&bDaclExist)
)
__leave;
// Initialize.
ZeroMemory(&aclSizeInfo, sizeof(ACL_SIZE_INFORMATION));
aclSizeInfo.AclBytesInUse = sizeof(ACL);
// Call only if NULL DACL.
if (pacl != NULL)
{
// Determine the size of the ACL information.
if (!GetAclInformation(
pacl,
(LPVOID)&aclSizeInfo,
sizeof(ACL_SIZE_INFORMATION),
AclSizeInformation)
)
__leave;
}
// Compute the size of the new ACL.
dwNewAclSize = aclSizeInfo.AclBytesInUse +
sizeof(ACCESS_ALLOWED_ACE) +
GetLengthSid(psid) - sizeof(DWORD);
// Allocate buffer for the new ACL.
pNewAcl = (PACL)HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
dwNewAclSize);
if (pNewAcl == NULL)
__leave;
// Initialize the new ACL.
if (!InitializeAcl(pNewAcl, dwNewAclSize, ACL_REVISION))
__leave;
// If DACL is present, copy it to a new DACL.
if (bDaclPresent)
{
// Copy the ACEs to the new ACL.
if (aclSizeInfo.AceCount)
{
for (i=0; i < aclSizeInfo.AceCount; i++)
{
// Get an ACE.
if (!GetAce(pacl, i, &pTempAce))
__leave;
// Add the ACE to the new ACL.
if (!AddAce(
pNewAcl,
ACL_REVISION,
MAXDWORD,
pTempAce,
((PACE_HEADER)pTempAce)->AceSize)
)
__leave;
}
}
}
// Add ACE to the DACL.
if (!AddAccessAllowedAce(
pNewAcl,
ACL_REVISION,
DESKTOP_ALL,
psid)
)
__leave;
// Set new DACL to the new security descriptor.
if (!SetSecurityDescriptorDacl(
psdNew,
TRUE,
pNewAcl,
FALSE)
)
__leave;
// Set the new security descriptor for the desktop object.
if (!SetUserObjectSecurity(hdesk, &si, psdNew))
__leave;
// Indicate success.
bSuccess = TRUE;
}
__finally
{
// Free buffers.
if (pNewAcl != NULL)
HeapFree(GetProcessHeap(), 0, (LPVOID)pNewAcl);
if (psd != NULL)
HeapFree(GetProcessHeap(), 0, (LPVOID)psd);
if (psdNew != NULL)
HeapFree(GetProcessHeap(), 0, (LPVOID)psdNew);
}
return bSuccess;
}
BOOL GetLogonSID (HANDLE hToken, PSID *ppsid)
{
BOOL bSuccess = FALSE;
DWORD dwIndex;
DWORD dwLength = 0;
PTOKEN_GROUPS ptg = NULL;
// Verify the parameter passed in is not NULL.
if (NULL == ppsid)
goto Cleanup;
// Get required buffer size and allocate the TOKEN_GROUPS buffer.
if (!GetTokenInformation(
hToken, // handle to the access token
TokenGroups, // get information about the token's groups
(LPVOID) ptg, // pointer to TOKEN_GROUPS buffer
0, // size of buffer
&dwLength // receives required buffer size
))
{
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
goto Cleanup;
ptg = (PTOKEN_GROUPS)HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY, dwLength);
if (ptg == NULL)
goto Cleanup;
}
// Get the token group information from the access token.
if (!GetTokenInformation(
hToken, // handle to the access token
TokenGroups, // get information about the token's groups
(LPVOID) ptg, // pointer to TOKEN_GROUPS buffer
dwLength, // size of buffer
&dwLength // receives required buffer size
))
{
goto Cleanup;
}
// Loop through the groups to find the logon SID.
for (dwIndex = 0; dwIndex < ptg->GroupCount; dwIndex++)
if ((ptg->Groups[dwIndex].Attributes & SE_GROUP_LOGON_ID)
== SE_GROUP_LOGON_ID)
{
// Found the logon SID; make a copy of it.
dwLength = GetLengthSid(ptg->Groups[dwIndex].Sid);
*ppsid = (PSID) HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY, dwLength);
if (*ppsid == NULL)
goto Cleanup;
if (!CopySid(dwLength, *ppsid, ptg->Groups[dwIndex].Sid))
{
HeapFree(GetProcessHeap(), 0, (LPVOID)*ppsid);
goto Cleanup;
}
break;
}
bSuccess = TRUE;
Cleanup:
// Free the buffer for the token groups.
if (ptg != NULL)
HeapFree(GetProcessHeap(), 0, (LPVOID)ptg);
return bSuccess;
}
VOID FreeLogonSID (PSID *ppsid)
{
HeapFree(GetProcessHeap(), 0, (LPVOID)*ppsid);
}
