[ion] 55453: [SMSS2]: Implement SmpProcessFileRenames and actually create the paging file now. All initialization work is now done by SMSS2. [SMSS]: Neuter away most of the code and only keep SMSS ...
6 Feb
2012
6 Feb
'12
9:06 a.m.
Author: ion
Date: Mon Feb 6 09:06:38 2012
New Revision: 55453
URL: http://svn.reactos.org/svn/reactos?rev=55453&view=rev
Log:
[SMSS2]: Implement SmpProcessFileRenames and actually create the paging file now. All
initialization work is now done by SMSS2.
[SMSS]: Neuter away most of the code and only keep SMSS around for managing the API port.
Next step is to make the SMSS2 API port go into use.
Modified:
trunk/reactos/base/system/smss/init.c
trunk/reactos/base/system/smss2/pagefile.c
trunk/reactos/base/system/smss2/sminit.c
Modified: trunk/reactos/base/system/smss/init.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/system/smss/init.c?re…
==============================================================================
--- trunk/reactos/base/system/smss/init.c [iso-8859-1] (original)
+++ trunk/reactos/base/system/smss/init.c [iso-8859-1] Mon Feb 6 09:06:38 2012
@@ -23,16 +23,16 @@
PCHAR ErrorMessage;
} InitRoutine [] = {
{TRUE, SmCreateHeap, "create private heap, aborting"},
- {TRUE, SmCreateObjectDirectories, "create object directories"},
+// {TRUE, SmCreateObjectDirectories, "create object directories"},
{TRUE, SmCreateApiPort, "create \\SmApiPort"},
{TRUE, SmCreateEnvironment, "create the system environment"},
- {TRUE, SmSetEnvironmentVariables, "set system environment variables"},
- {TRUE, SmInitDosDevices, "create dos device links"},
- {TRUE, SmRunBootApplications, "run boot applications"},
- {TRUE, SmProcessFileRenameList, "process the file rename list"},
+// {TRUE, SmSetEnvironmentVariables, "set system environment variables"},
+// {TRUE, SmInitDosDevices, "create dos device links"},
+// {TRUE, SmRunBootApplications, "run boot applications"},
+// {TRUE, SmProcessFileRenameList, "process the file rename list"},
{FALSE, SmUpdateEnvironment, "update environment variables"},
- {FALSE, SmLoadKnownDlls, "preload system DLLs"},
- {TRUE, SmCreatePagingFiles, "create paging files"},
+// {FALSE, SmLoadKnownDlls, "preload system DLLs"},
+// {TRUE, SmCreatePagingFiles, "create paging files"},
// {TRUE, SmInitializeRegistry, "initialize the registry"},
{TRUE, SmInitializeClientManagement, "initialize client management"},
{TRUE, SmLoadSubsystems, "load subsystems"}
Modified: trunk/reactos/base/system/smss2/pagefile.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/system/smss2/pagefile…
==============================================================================
--- trunk/reactos/base/system/smss2/pagefile.c [iso-8859-1] (original)
+++ trunk/reactos/base/system/smss2/pagefile.c [iso-8859-1] Mon Feb 6 09:06:38 2012
@@ -451,11 +451,9 @@
IN ULONG Priority)
{
NTSTATUS Status;
- DPRINT1("Should request pagefile: %wZ with size %I64x and %I64x\n", Name,
MinSize->QuadPart, MaxSize->QuadPart);
/* Tell the kernel to create the pagefile */
- Status = STATUS_SUCCESS;
- //Status = NtCreatePagingFile(Name, MinSize, MaxSize, Priority);
+ Status = NtCreatePagingFile(Name, MinSize, MaxSize, Priority);
if (NT_SUCCESS(Status))
{
DPRINT1("SMSS:PFILE: NtCreatePagingFile (%wZ, %I64X, %I64X) succeeded.
\n",
Modified: trunk/reactos/base/system/smss2/sminit.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/system/smss2/sminit.c…
==============================================================================
--- trunk/reactos/base/system/smss2/sminit.c [iso-8859-1] (original)
+++ trunk/reactos/base/system/smss2/sminit.c [iso-8859-1] Mon Feb 6 09:06:38 2012
@@ -1827,7 +1827,211 @@
NTAPI
SmpProcessFileRenames(VOID)
{
- return STATUS_SUCCESS;
+ BOOLEAN OldState, HavePrivilege;
+ NTSTATUS Status;
+ HANDLE FileHandle, OtherFileHandle;
+ FILE_INFORMATION_CLASS InformationClass;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ IO_STATUS_BLOCK IoStatusBlock;
+ UNICODE_STRING FileString;
+ FILE_BASIC_INFORMATION BasicInfo;
+ FILE_DISPOSITION_INFORMATION DeleteInformation;
+ PFILE_RENAME_INFORMATION Buffer;
+ PLIST_ENTRY Head, NextEntry;
+ PSMP_REGISTRY_VALUE RegEntry;
+ PWCHAR FileName;
+ ULONG ValueLength, Length;
+
+ /* Give us access to restore any files we want */
+ Status = RtlAdjustPrivilege(SE_RESTORE_PRIVILEGE, TRUE, FALSE, &OldState);
+ if (NT_SUCCESS(Status)) HavePrivilege = TRUE;
+
+ /* Process pending files to rename */
+ Head = &SmpFileRenameList;
+ while (!IsListEmpty(Head))
+ {
+ /* Get this entry */
+ NextEntry = RemoveHeadList(Head);
+ RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
+ DPRINT1("Processing PFRO: %wZ/%wZ\n", &RegEntry->Value,
&RegEntry->Name);
+
+ /* Skip past the '@' marker */
+ if (!(RegEntry->Value.Length) && (*RegEntry->Name.Buffer ==
L'@'))
+ {
+ RegEntry->Name.Length -= sizeof(UNICODE_NULL);
+ RegEntry->Name.Buffer++;
+ }
+
+ /* Open the file for delete access */
+ InitializeObjectAttributes(&ObjectAttributes,
+ &RegEntry->Name,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+ Status = NtOpenFile(&OtherFileHandle,
+ DELETE | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ FILE_SYNCHRONOUS_IO_NONALERT);
+ if (!NT_SUCCESS(Status)) goto Quickie;
+
+ /* Check if it's a rename or just a delete */
+ ValueLength = RegEntry->Value.Length;
+ if (!ValueLength)
+ {
+ /* Just a delete, set up the class, length and buffer */
+ InformationClass = FileDispositionInformation;
+ Length = sizeof(DeleteInformation);
+ Buffer = (PFILE_RENAME_INFORMATION)&DeleteInformation;
+
+ /* Set the delete disposition */
+ DeleteInformation.DeleteFile = TRUE;
+ }
+ else
+ {
+ /* This is a rename, setup the class and length */
+ InformationClass = FileRenameInformation;
+ Length = ValueLength + sizeof(FILE_RENAME_INFORMATION);
+
+ /* Skip past the special markers */
+ FileName = RegEntry->Value.Buffer;
+ if ((*FileName == L'!') || (*FileName == L'@'))
+ {
+ FileName++;
+ Length -= sizeof(UNICODE_NULL);
+ }
+
+ /* Now allocate the buffer for the rename information */
+ Buffer = RtlAllocateHeap(RtlGetProcessHeap(), SmBaseTag, Length);
+ if (Buffer)
+ {
+ /* Setup the buffer to point to the filename, and copy it */
+ Buffer->RootDirectory = NULL;
+ Buffer->FileNameLength = Length - sizeof(FILE_RENAME_INFORMATION);
+ Buffer->ReplaceIfExists = FileName != RegEntry->Value.Buffer;
+ RtlCopyMemory(Buffer->FileName, FileName, Buffer->FileNameLength);
+ }
+ else
+ {
+ /* Fail */
+ Status = STATUS_NO_MEMORY;
+ }
+ }
+
+ /* Check if everything is okay till here */
+ if (NT_SUCCESS(Status))
+ {
+ /* Now either rename or delete the file as requested */
+ Status = NtSetInformationFile(OtherFileHandle,
+ &IoStatusBlock,
+ Buffer,
+ Length,
+ InformationClass);
+
+ /* Check if we seem to have failed because the file was readonly */
+ if ((NT_SUCCESS(Status) &&
+ (InformationClass == FileRenameInformation) &&
+ (Status == STATUS_OBJECT_NAME_COLLISION) &&
+ (Buffer->ReplaceIfExists)))
+ {
+ /* Open the file for write attribute access this time... */
+ DPRINT1("\nSMSS: %wZ => %wZ failed - Status == %x, Possible
readonly target\n",
+ &RegEntry->Name,
+ &RegEntry->Value,
+ STATUS_OBJECT_NAME_COLLISION);
+ FileString.Length = RegEntry->Value.Length - sizeof(WCHAR);
+ FileString.MaximumLength = RegEntry->Value.MaximumLength -
sizeof(WCHAR);
+ FileString.Buffer = FileName;
+ InitializeObjectAttributes(&ObjectAttributes,
+ &FileString,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+ Status = NtOpenFile(&FileHandle,
+ FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ FILE_SYNCHRONOUS_IO_NONALERT);
+ if (!NT_SUCCESS(Status))
+ {
+ /* That didn't work, so bail out */
+ DPRINT1(" SMSS: Open Existing file Failed - Status ==
%x\n",
+ Status);
+ }
+ else
+ {
+ /* Now remove the read-only attribute from the file */
+ DPRINT1(" SMSS: Open Existing Success\n");
+ RtlZeroMemory(&BasicInfo, sizeof(BasicInfo));
+ BasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
+ Status = NtSetInformationFile(FileHandle,
+ &IoStatusBlock,
+ &BasicInfo,
+ sizeof(BasicInfo),
+ FileBasicInformation);
+ NtClose(FileHandle);
+ if (!NT_SUCCESS(Status))
+ {
+ /* That didn't work, bail out */
+ DPRINT1(" SMSS: Set To NORMAL Failed - Status ==
%x\n",
+ Status);
+ }
+ else
+ {
+ /* Now that the file is no longer read-only, delete! */
+ DPRINT1(" SMSS: Set To NORMAL OK\n");
+ Status = NtSetInformationFile(OtherFileHandle,
+ &IoStatusBlock,
+ Buffer,
+ Length,
+ FileRenameInformation);
+ if (!NT_SUCCESS(Status))
+ {
+ /* That failed too! */
+ DPRINT1(" SMSS: Re-Rename Failed - Status ==
%x\n",
+ Status);
+ }
+ else
+ {
+ /* Everything ok */
+ DPRINT1(" SMSS: Re-Rename Worked OK\n");
+ }
+ }
+ }
+ }
+ }
+
+ /* Close the file handle and check the operation result */
+ NtClose(OtherFileHandle);
+Quickie:
+ if (!NT_SUCCESS(Status))
+ {
+ /* We totally failed */
+ DPRINT1("SMSS: %wZ => %wZ failed - Status == %x\n",
+ &RegEntry->Name, &RegEntry->Value, Status);
+ }
+ else if (RegEntry->Value.Length)
+ {
+ /* We succeed with a rename */
+ DPRINT1("SMSS: %wZ (renamed to) %wZ\n", &RegEntry->Name,
&RegEntry->Value);
+ }
+ else
+ {
+ /* We suceeded with a delete */
+ DPRINT1("SMSS: %wZ (deleted)\n", &RegEntry->Name);
+ }
+
+ /* Now free this entry and keep going */
+ if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0,
RegEntry->AnsiValue);
+ if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0,
RegEntry->Value.Buffer);
+ RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
+ }
+
+ /* Put back the restore privilege if we had requested it, and return */
+ if (HavePrivilege) RtlAdjustPrivilege(SE_RESTORE_PRIVILEGE, FALSE, FALSE,
&OldState);
+ return Status;
}
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