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Initial commit for the fsrtl lib test driver. This does not compile under ROS. You need some glue to compile and use it under windows.
svn path=/trunk/; revision=25549
This commit is contained in:
Dominique Cote
parent
bdc2486c5a
commit
9b89b48609
1 changed files with 366 additions and 0 deletions
366
reactos/ntoskrnl/tests/fsrtl.c
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366
reactos/ntoskrnl/tests/fsrtl.c
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#include <ntifs.h>
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#include "ntndk.h"
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#include "fsrtl_glue.h"
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#include "fastio.h"
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#include "fsrtl.h"
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/*
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This is the main test function. It is called from DriverEntry.
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There is a DbgBreakPoint() call at the beginning of DriverEntry.
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In order to run the test again, simply type
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net stop fsrtl
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net start fsrtl
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Author: Dom Cote
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*/
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BOOLEAN FsRtlTest_StartTest() {
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HANDLE Fh = NULL;
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IO_STATUS_BLOCK IoStatus;
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NTSTATUS Return = TRUE;
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PFILE_OBJECT Pfo;
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LONGLONG i = 0;
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PCHAR Buffer;
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LARGE_INTEGER Offset;
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ULONG Length = 0;
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LARGE_INTEGER OldSize;
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/* Parameters we are going to use in the test from the FCB */
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PFSRTL_COMMON_FCB_HEADER FcbHeader;
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PLARGE_INTEGER AllocationSize;
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PLARGE_INTEGER ValidDataLength;
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PLARGE_INTEGER FileSize;
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/* Allocate a 100KB buffer to do IOs */
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Buffer = ExAllocatePool(PagedPool,100*_1KB);
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FsRtlTest_OpenTestFile(&Fh, &Pfo);
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/* Extract the test variable from the FCB struct */
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FcbHeader = (PFSRTL_COMMON_FCB_HEADER)Pfo->FsContext;
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AllocationSize = &FcbHeader->AllocationSize;
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ValidDataLength = &FcbHeader->ValidDataLength;
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FileSize = &FcbHeader->FileSize;
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/* Try to cache without caching having been initialized. This should fail.*/
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Length = 10*_1KB;
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FSRTL_TEST("No cache map test.",!FsRtlCopyWrite(Pfo,AllocationSize,Length,TRUE,0,Buffer,&IoStatus,NULL));
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/* We are going to build a 100k file */
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/* This will inititate caching and build some size */
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Offset.QuadPart = 0;
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Length = 100*_1KB;
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Return = FsRltTest_WritefileZw(Fh,&Offset,Length, Buffer, &IoStatus);
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FSRTL_TEST("Building 100k filesize.",(NT_SUCCESS(Return) && NT_SUCCESS(IoStatus.Status ) && IoStatus.Information == Length));
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Return = TRUE;
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/* Extending the file by 1/2 sector, 256 bytes. */
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Offset.QuadPart = 0x7fffffffffff;
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Length = 0x100;
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Return = FsRltTest_WritefileZw(Fh,NULL,Length, Buffer, &IoStatus);
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FSRTL_TEST("Extending by 1/2 sector.",(NT_SUCCESS(Return) && NT_SUCCESS(IoStatus.Status ) && IoStatus.Information == Length));
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Return = TRUE;
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/* Append to the file past the allocation size*/
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Offset.LowPart = 0xFFFFFFFF;
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Offset.HighPart = 0xFFFFFFFF;
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OldSize.QuadPart = FileSize->QuadPart;
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Length = (ULONG) (AllocationSize->QuadPart -ValidDataLength->QuadPart);
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FSRTL_TEST("Testing extending past allocation size",!FsRtlCopyWrite(Pfo,&Offset,Length+1,TRUE,0,Buffer,&IoStatus,NULL));
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FSRTL_TEST("Testing extending not past allocation size",FsRtlCopyWrite(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL));
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FSRTL_TEST("Check filesize",(FileSize->QuadPart = (OldSize.QuadPart+Length)));
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/* Try do write a 65kb IO and check that if fails. Maximum IO size for thus function is 64KB */
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Offset.QuadPart = 0;
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Length = 65*_1KB;
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FSRTL_TEST("65KB IO Test",!FsRtlCopyWrite(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL));
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/* Try do write a 64kb IO. Maximum IO size for thus function is 64KB */
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Length = 64*_1KB;
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FSRTL_TEST("64KB IO Test",FsRtlCopyWrite(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL))
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/* Test the fast Io questionable flag
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This test fails and should succeed. I am not sure why. When FsRtlCopyWrite() queries the FastIoTable of the related
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device object, it comes back with no.
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FcbHeader->IsFastIoPossible = FastIoIsQuestionable;
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FSRTL_TEST("FastIo is questionable flag",FsRtlCopyWrite(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL))
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*/
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/* Test the fast Io not possible flag */
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FcbHeader->IsFastIoPossible = FastIoIsNotPossible;
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FSRTL_TEST("FastIo is not possible flag",!FsRtlCopyWrite(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL))
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/* Set the flag back to what it was */
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FcbHeader->IsFastIoPossible = FastIoIsPossible;
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FSRTL_TEST("FastIo is possbile flag",FsRtlCopyWrite(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL))
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if (Pfo)
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{
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ObDereferenceObject(Pfo);
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Pfo = NULL;
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}
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if (Fh)
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{
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ZwClose(Fh);
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Fh = NULL;
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}
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/* ------------------------------------------------------------------------*/
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/* ------------------------------------------------------------------------*/
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/* ------------------------------------------------------------------------*/
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/* We are going to repeat the same bunch of tests but with Wait = FALSE. So we exercise the second part of the function. */
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FsRtlTest_OpenTestFile(&Fh, &Pfo);
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/* Extract the test variable from the FCB struct */
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FcbHeader = (PFSRTL_COMMON_FCB_HEADER)Pfo->FsContext;
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AllocationSize = &FcbHeader->AllocationSize;
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ValidDataLength = &FcbHeader->ValidDataLength;
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FileSize = &FcbHeader->FileSize;
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/* Try to cache without caching having been initialized. This should fail.*/
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Length = 10*_1KB;
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FSRTL_TEST("No cache map test. Wait = FALSE",!FsRtlCopyWrite(Pfo,AllocationSize,Length,FALSE,0,Buffer,&IoStatus,NULL));
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/* We are going to build a 100k file */
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/* This will inititate caching and build some size */
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Offset.QuadPart = 0;
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Length = 100*_1KB;
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Return = FsRltTest_WritefileZw(Fh,&Offset,Length, Buffer, &IoStatus);
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FSRTL_TEST("Building 100k filesize. Wait = FALSE",(NT_SUCCESS(Return) && NT_SUCCESS(IoStatus.Status ) && IoStatus.Information == Length));
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Return = TRUE;
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/* Extending the file by 1/2 sector, 256 bytes. */
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Offset.QuadPart = 0x7fffffffffff;
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Length = 0x100;
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Return = FsRltTest_WritefileZw(Fh,NULL,Length, Buffer, &IoStatus);
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FSRTL_TEST("Extending by 1/2 sector. Wait = FALSE",(NT_SUCCESS(Return) && NT_SUCCESS(IoStatus.Status ) && IoStatus.Information == Length));
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Return = TRUE;
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/* Append to the file past the allocation size*/
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Offset.LowPart = 0xFFFFFFFF;
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Offset.HighPart = 0xFFFFFFFF;
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OldSize.QuadPart = FileSize->QuadPart;
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Length = (ULONG) (AllocationSize->QuadPart -ValidDataLength->QuadPart);
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FSRTL_TEST("Testing extending past allocation size Wait = FALSE",!FsRtlCopyWrite(Pfo,&Offset,Length+1,FALSE,0,Buffer,&IoStatus,NULL));
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FSRTL_TEST("Testing extending not past allocation size. Wait = FALSE",FsRtlCopyWrite(Pfo,&Offset,Length,FALSE,0,Buffer,&IoStatus,NULL));
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FSRTL_TEST("Check filesize",(FileSize->QuadPart = (OldSize.QuadPart+Length)));
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/* Try do write a 65kb IO and check that if fails. Maximum IO size for thus function is 64KB */
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Offset.QuadPart = 0;
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Length = 65*_1KB;
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FSRTL_TEST("65KB IO Test. Wait = FALSE",!FsRtlCopyWrite(Pfo,&Offset,Length,FALSE,0,Buffer,&IoStatus,NULL));
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/* Try do write a 64kb IO. Maximum IO size for thus function is 64KB */
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Length = 64*_1KB;
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FSRTL_TEST("64KB IO Test. Wait = FALSE",FsRtlCopyWrite(Pfo,&Offset,Length,FALSE,0,Buffer,&IoStatus,NULL))
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/* Test the fast Io questionable flag
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This test fails and should succeed. I am not sure why. When FsRtlCopyWrite() queries the FastIoTable of the related
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device object, it comes back with no.
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FcbHeader->IsFastIoPossible = FastIoIsQuestionable;
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FSRTL_TEST("FastIo is questionable flag",FsRtlCopyWrite(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL))
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*/
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/* Test the fast Io not possible flag */
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FcbHeader->IsFastIoPossible = FastIoIsNotPossible;
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FSRTL_TEST("FastIo is not possible flag. Wait = FALSE",!FsRtlCopyWrite(Pfo,&Offset,Length,FALSE,0,Buffer,&IoStatus,NULL))
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/* Set the flag back to what it was */
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FcbHeader->IsFastIoPossible = FastIoIsPossible;
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FSRTL_TEST("FastIo is possbile flag. Wait = FALSE",FsRtlCopyWrite(Pfo,&Offset,Length,FALSE,0,Buffer,&IoStatus,NULL))
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/* ------------------------------------------------------------------------------------------
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------------------------------------------------------------------------------------------
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------------------------------------------------------------------------------------------
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*/
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/* Testing FsRtlCopyRead() function */
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Offset.LowPart = 0x0;
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Offset.HighPart = 0x0;
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Length = 0x10000;
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/* Testing a 64KB read with Wait = TRUE */
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Return = FsRtlCopyRead(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL);
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FSRTL_TEST("Testing 64k IO Wait=TRUE",(NT_SUCCESS(Return) && NT_SUCCESS(IoStatus.Status ) && IoStatus.Information == Length));
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Return = TRUE;
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/* Testing a 64KB read with Wait = FALSE */
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Return = FsRtlCopyRead(Pfo,&Offset,Length,FALSE,0,Buffer,&IoStatus,NULL);
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FSRTL_TEST("Testing 64k IO Wait=FALSE",(NT_SUCCESS(Return) && NT_SUCCESS(IoStatus.Status ) && IoStatus.Information == Length));
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Return = TRUE;
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/* Testing read past the end of the file */
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Offset.QuadPart = FileSize->QuadPart - (5 * _1KB);
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Length = 10 * _1KB;
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Return = FsRtlCopyRead(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL);
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FSRTL_TEST("Testing reading past end of file but starting before EOF",(NT_SUCCESS(Return) && NT_SUCCESS(IoStatus.Status) && IoStatus.Information == (FileSize->QuadPart-Offset.QuadPart)));
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Offset.QuadPart = FileSize->QuadPart + 1;
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Length = 10 * _1KB;
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Return = FsRtlCopyRead(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL);
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FSRTL_TEST("Testing reading past end of file but starting after EOF",(NT_SUCCESS(Return) && (IoStatus.Status == STATUS_END_OF_FILE) && IoStatus.Information == 0));
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/* Testing a 64KB read with Wait = TRUE */
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Offset.LowPart = 0x0;
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Offset.HighPart = 0x0;
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Length = 0x10000;
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FcbHeader->IsFastIoPossible = FastIoIsNotPossible;
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FSRTL_TEST("FastIo is not possible flag. Wait = FALSE",!FsRtlCopyRead(Pfo,&Offset,Length,FALSE,0,Buffer,&IoStatus,NULL));
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FSRTL_TEST("FastIo is not possible flag. Wait = TRUE",!FsRtlCopyRead(Pfo,&Offset,Length,TRUE,0,Buffer,&IoStatus,NULL));
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Return = TRUE;
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Cleanup:
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if (Pfo)
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{
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ObDereferenceObject(Pfo);
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Pfo = NULL;
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}
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if (Fh)
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{
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ZwClose(Fh);
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Fh = NULL;
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}
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if (Buffer != NULL) {
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ExFreePool(Buffer);
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Buffer = NULL;
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}
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return Return;
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}
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/* This function is just a wrapper around ZwWriteFile */
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NTSTATUS FsRltTest_WritefileZw(HANDLE fh, PLARGE_INTEGER Offset, ULONG Length, PVOID Buffer, PIO_STATUS_BLOCK pIoStatus){
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NTSTATUS Return;
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Return = ZwWriteFile(
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fh,
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NULL,
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NULL,
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NULL,
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pIoStatus,
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Buffer,
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Length,
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Offset,
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NULL
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);
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return Return;
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}
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/* This function fills the buffer with a test pattern */
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void FsRtlTest_FillBuffer(LARGE_INTEGER Start, ULONG Length, PVOID Buffer) {
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ULONG i = 0;
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PULONGLONG Index = (PULONGLONG) Buffer;
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for (i=0; i<Length/sizeof(ULONGLONG); i++) {
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Index[i] = Start.QuadPart + i;
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}
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return;
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}
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/* This function opens a test file with the FILE_DELETE_ON_CLOSE flag
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and reference the file object
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*/
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NTSTATUS FsRtlTest_OpenTestFile(PHANDLE Pfh, PFILE_OBJECT *Ppfo) {
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UNICODE_STRING FileName;
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OBJECT_ATTRIBUTES oa;
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IO_STATUS_BLOCK IoStatus;
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NTSTATUS Return;
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RtlInitUnicodeString(&FileName,L"\\??\\C:\\fsrtl.bin");
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InitializeObjectAttributes(
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&oa,
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&FileName,
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OBJ_KERNEL_HANDLE,
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NULL,
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NULL;
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);
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Return = IoCreateFile(Pfh,
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GENERIC_WRITE,
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&oa,
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&IoStatus,
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0,
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FILE_ATTRIBUTE_NORMAL,
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0,
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FILE_OVERWRITE_IF ,
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FILE_SYNCHRONOUS_IO_ALERT | FILE_DELETE_ON_CLOSE,
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NULL,
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0,
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CreateFileTypeNone,
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NULL,
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0);
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Return = ObReferenceObjectByHandle(
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*Pfh,
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GENERIC_WRITE,
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NULL,
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KernelMode,
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Ppfo,
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NULL
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);
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}
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/* All the testing is done from driver entry */
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NTSTATUS DriverEntry( IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath )
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{
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PDEVICE_OBJECT DeviceObject;
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NTSTATUS mStatus;
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UNICODE_STRING uniName, uniDOSName;
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PDEVOBJ_EXTENSION x;
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DbgPrint("Loading the FSRTL test driver.\n");
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DbgBreakPoint();
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/* register device functions */
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DriverObject->MajorFunction[IRP_MJ_CREATE] = FsRtlTest_DispatchCreateClose;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = FsRtlTest_DispatchCreateClose;
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DriverObject->DriverUnload = FsRtlTest_Unload;
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if (!FsRtlTest_StartTest()) {
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DbgPrint("FsRtl test failed.\n");
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} else {
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DbgPrint("FsRtl test OK.\n");
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}
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return STATUS_SUCCESS;
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}
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NTSTATUS FsRtlTest_DispatchCreateClose( IN PDEVICE_OBJECT devObj, IN PIRP Irp )
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{
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DbgPrint(("FsRtl: Open / Close\n"));
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Irp->IoStatus.Information = 0;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest( Irp, IO_NO_INCREMENT );
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return STATUS_SUCCESS;
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}
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VOID FsRtlTest_Unload( IN PDRIVER_OBJECT DriverObject )
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{
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DbgPrint(("FsRtl: Unloading.\n"));
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}
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