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sys: Create and Rename requests should include the originating process PID

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This commit is contained in:
Bill Zissimopoulos 2017-10-11 16:25:22 -07:00
parent d824ba464d
commit 4812f5bbd0
2 changed files with 8 additions and 8 deletions
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8
src/sys/create.c
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@ -545,7 +545,7 @@ NTSTATUS FspFsvolCreatePrepare(
SECURITY_CLIENT_CONTEXT SecurityClientContext; SECURITY_CLIENT_CONTEXT SecurityClientContext;
HANDLE UserModeAccessToken; HANDLE UserModeAccessToken;
PEPROCESS Process; PEPROCESS Process;
HANDLE ProcessId; ULONG OriginatingProcessId;
FSP_FILE_NODE *FileNode; FSP_FILE_NODE *FileNode;
FSP_FILE_DESC *FileDesc; FSP_FILE_DESC *FileDesc;
PFILE_OBJECT FileObject; PFILE_OBJECT FileObject;
@ -579,15 +579,15 @@ NTSTATUS FspFsvolCreatePrepare(
/* get a pointer to the current process so that we can close the impersonation token later */ /* get a pointer to the current process so that we can close the impersonation token later */
Process = PsGetCurrentProcess(); Process = PsGetCurrentProcess();
ObReferenceObject(Process); ObReferenceObject(Process);
ProcessId = PsGetProcessId(Process); OriginatingProcessId = IoGetRequestorProcessId(Irp);
/* send the user-mode handle to the user-mode file system */ /* send the user-mode handle to the user-mode file system */
FspIopRequestContext(Request, RequestAccessToken) = UserModeAccessToken; FspIopRequestContext(Request, RequestAccessToken) = UserModeAccessToken;
FspIopRequestContext(Request, RequestProcess) = Process; FspIopRequestContext(Request, RequestProcess) = Process;
ASSERT((UINT64)(UINT_PTR)UserModeAccessToken <= 0xffffffffULL); ASSERT((UINT64)(UINT_PTR)UserModeAccessToken <= 0xffffffffULL);
ASSERT((UINT64)(UINT_PTR)ProcessId <= 0xffffffffULL); ASSERT((UINT64)(UINT_PTR)OriginatingProcessId <= 0xffffffffULL);
Request->Req.Create.AccessToken = Request->Req.Create.AccessToken =
((UINT64)(UINT_PTR)ProcessId << 32) | (UINT64)(UINT_PTR)UserModeAccessToken; ((UINT64)(UINT_PTR)OriginatingProcessId << 32) | (UINT64)(UINT_PTR)UserModeAccessToken;
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }

8
src/sys/fileinfo.c
View File

@ -1573,7 +1573,7 @@ NTSTATUS FspFsvolSetInformationPrepare(
SECURITY_CLIENT_CONTEXT SecurityClientContext; SECURITY_CLIENT_CONTEXT SecurityClientContext;
HANDLE UserModeAccessToken; HANDLE UserModeAccessToken;
PEPROCESS Process; PEPROCESS Process;
HANDLE ProcessId; ULONG OriginatingProcessId;
SecuritySubjectContext = FspIopRequestContext(Request, RequestSubjectContextOrAccessToken); SecuritySubjectContext = FspIopRequestContext(Request, RequestSubjectContextOrAccessToken);
@ -1605,15 +1605,15 @@ NTSTATUS FspFsvolSetInformationPrepare(
/* get a pointer to the current process so that we can close the impersonation token later */ /* get a pointer to the current process so that we can close the impersonation token later */
Process = PsGetCurrentProcess(); Process = PsGetCurrentProcess();
ObReferenceObject(Process); ObReferenceObject(Process);
ProcessId = PsGetProcessId(Process); OriginatingProcessId = IoGetRequestorProcessId(Irp);
/* send the user-mode handle to the user-mode file system */ /* send the user-mode handle to the user-mode file system */
FspIopRequestContext(Request, RequestSubjectContextOrAccessToken) = UserModeAccessToken; FspIopRequestContext(Request, RequestSubjectContextOrAccessToken) = UserModeAccessToken;
FspIopRequestContext(Request, RequestProcess) = Process; FspIopRequestContext(Request, RequestProcess) = Process;
ASSERT((UINT64)(UINT_PTR)UserModeAccessToken <= 0xffffffffULL); ASSERT((UINT64)(UINT_PTR)UserModeAccessToken <= 0xffffffffULL);
ASSERT((UINT64)(UINT_PTR)ProcessId <= 0xffffffffULL); ASSERT((UINT64)(UINT_PTR)OriginatingProcessId <= 0xffffffffULL);
Request->Req.SetInformation.Info.Rename.AccessToken = Request->Req.SetInformation.Info.Rename.AccessToken =
((UINT64)(UINT_PTR)ProcessId << 32) | (UINT64)(UINT_PTR)UserModeAccessToken; ((UINT64)(UINT_PTR)OriginatingProcessId << 32) | (UINT64)(UINT_PTR)UserModeAccessToken;
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }