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Don't hardcode the list of available filesystems in fmifs.dll, but store it in the registry.

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Adding a filesystem is now only a matter of creating a u{FS}.dll + one registry entry to be able to use normal format.exe/chkdsk.exe/...

svn path=/trunk/; revision=24254
This commit is contained in:
Hervé Poussineau 2006-09-24 13:42:24 +00:00
parent 9cea0fddde
commit f1d365f767
2 changed files with 64 additions and 8 deletions
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4
reactos/boot/bootdata/hivesft.inf
View file

@ -734,6 +734,10 @@ HKLM,"SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones\Tonga Standard Tim
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
; Available file systems
HKLM,"SOFTWARE\ReactOS\ReactOS\CurrentVersion\IFS","FAT",0x00000000,"ufat.dll"
HKLM,"SOFTWARE\ReactOS\ReactOS\CurrentVersion\IFS","FAT32",0x00000000,"ufat.dll"
HKLM,"SOFTWARE\ReactOS\Windows NT\CurrentVersion\Winlogon","ConsoleShell",0x00020000,"%SystemRoot%\system32\cmd.exe"
HKLM,"SOFTWARE\ReactOS\Windows NT\CurrentVersion\Winlogon","Shell",0x00020000,"%SystemRoot%\explorer.exe"
HKLM,"SOFTWARE\ReactOS\Windows NT\CurrentVersion\Winlogon","StartServices",0x00010001,0x00000001

68
reactos/dll/win32/fmifs/init.c
View file

@ -35,7 +35,7 @@ GetProvider(
static BOOLEAN
AddProvider(
IN PWCHAR FileSystem,
IN PCUNICODE_STRING FileSystem,
IN PWCHAR DllFile)
{
PIFS_PROVIDER Provider = NULL;
@ -48,7 +48,7 @@ AddProvider(
goto cleanup;
RequiredSize = FIELD_OFFSET(IFS_PROVIDER, Name)
+ wcslen(FileSystem) * sizeof(WCHAR) + sizeof(UNICODE_NULL);
+ FileSystem->Length + sizeof(UNICODE_NULL);
Provider = (PIFS_PROVIDER)RtlAllocateHeap(
RtlGetProcessHeap(),
0,
@ -62,7 +62,7 @@ AddProvider(
//Provider->Extend = (EXTEND)GetProcAddress(hMod, "Extend");
Provider->FormatEx = (FORMATEX)GetProcAddress(hMod, "FormatEx");
wcscpy(Provider->Name, FileSystem);
RtlCopyMemory(Provider->Name, FileSystem->Buffer, FileSystem->Length);
InsertTailList(&ProviderListHead, &Provider->ListEntry);
ret = TRUE;
@ -81,14 +81,66 @@ cleanup:
static BOOLEAN
InitializeFmIfsOnce(void)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING RegistryPath
= RTL_CONSTANT_STRING(L"\\REGISTRY\\Machine\\SOFTWARE\\ReactOS\\ReactOS\\CurrentVersion\\IFS");
HANDLE hKey = NULL;
PKEY_VALUE_FULL_INFORMATION Buffer;
ULONG BufferSize = sizeof(KEY_VALUE_FULL_INFORMATION) + MAX_PATH;
ULONG RequiredSize;
ULONG i = 0;
UNICODE_STRING Name;
UNICODE_STRING Data;
NTSTATUS Status;
InitializeListHead(&ProviderListHead);
/* Add default providers */
AddProvider(L"FAT", L"ufat");
AddProvider(L"FAT32", L"ufat");
/* Read IFS providers from HKLM\SOFTWARE\ReactOS\ReactOS\CurrentVersion\IFS */
InitializeObjectAttributes(&ObjectAttributes, &RegistryPath, 0, NULL, NULL);
Status = NtOpenKey(&hKey, KEY_QUERY_VALUE, &ObjectAttributes);
if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
return TRUE;
else if (!NT_SUCCESS(Status))
return FALSE;
/* TODO: Check how many IFS are installed in the system */
/* TODO: and register a descriptor for each one */
Buffer = (PKEY_VALUE_FULL_INFORMATION)RtlAllocateHeap(
RtlGetProcessHeap(),
0,
BufferSize);
if (!Buffer)
{
NtClose(hKey);
return FALSE;
}
while (TRUE)
{
Status = NtEnumerateValueKey(
hKey,
i++,
KeyValueFullInformation,
Buffer,
BufferSize,
&RequiredSize);
if (Status == STATUS_BUFFER_OVERFLOW)
continue;
else if (!NT_SUCCESS(Status))
break;
else if (Buffer->Type != REG_SZ)
continue;
Name.Length = Name.MaximumLength = Buffer->NameLength;
Name.Buffer = Buffer->Name;
Data.Length = Data.MaximumLength = Buffer->DataLength;
Data.Buffer = (PWCHAR)((ULONG_PTR)Buffer + Buffer->DataOffset);
if (Data.Length > sizeof(WCHAR) && Data.Buffer[Data.Length / sizeof(WCHAR) - 1] == UNICODE_NULL)
Data.Length -= sizeof(WCHAR);
AddProvider(&Name, Data.Buffer);
}
NtClose(hKey);
RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer);
return TRUE;
}