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sys: originating process id

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This commit is contained in:
Bill Zissimopoulos
2017-07-12 20:54:12 -07:00
parent 7302b4baea
commit 26485ffbd6
2 changed files with 12 additions and 2 deletions
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7
src/sys/create.c
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@ -545,6 +545,7 @@ NTSTATUS FspFsvolCreatePrepare(
SECURITY_CLIENT_CONTEXT SecurityClientContext;
HANDLE UserModeAccessToken;
PEPROCESS Process;
HANDLE ProcessId;
FSP_FILE_NODE *FileNode;
FSP_FILE_DESC *FileDesc;
PFILE_OBJECT FileObject;
@ -578,11 +579,15 @@ NTSTATUS FspFsvolCreatePrepare(
/* get a pointer to the current process so that we can close the impersonation token later */
Process = PsGetCurrentProcess();
ObReferenceObject(Process);
ProcessId = PsGetProcessId(Process);
/* send the user-mode handle to the user-mode file system */
FspIopRequestContext(Request, RequestAccessToken) = UserModeAccessToken;
FspIopRequestContext(Request, RequestProcess) = Process;
Request->Req.Create.AccessToken = (UINT_PTR)UserModeAccessToken;
ASSERT((UINT64)(UINT_PTR)UserModeAccessToken <= 0xffffffffULL);
ASSERT((UINT64)(UINT_PTR)ProcessId <= 0xffffffffULL);
Request->Req.Create.AccessToken =
((UINT64)(UINT_PTR)ProcessId << 32) | (UINT64)(UINT_PTR)UserModeAccessToken;
return STATUS_SUCCESS;
}