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dll: fuse: implementation checkpoint

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This commit is contained in:
Bill Zissimopoulos 2016-06-09 10:16:20 -07:00
parent 8f0f5b3d9e
commit 90039ecd72
3 changed files with 67 additions and 67 deletions
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14
src/dll/fuse/fuse.c
View File

@ -141,7 +141,10 @@ VOID fsp_fuse_finalize_thread(VOID)
context = TlsGetValue(fsp_fuse_tlskey); context = TlsGetValue(fsp_fuse_tlskey);
if (0 != context) if (0 != context)
{ {
MemFree(context); struct fsp_fuse_context_header *context_header =
(PVOID)((PUINT8)context - sizeof *context_header);
MemFree(context_header);
TlsSetValue(fsp_fuse_tlskey, 0); TlsSetValue(fsp_fuse_tlskey, 0);
} }
} }
@ -610,11 +613,14 @@ FSP_FUSE_API struct fuse_context *fsp_fuse_get_context(struct fsp_fuse_env *rese
context = TlsGetValue(fsp_fuse_tlskey); context = TlsGetValue(fsp_fuse_tlskey);
if (0 == context) if (0 == context)
{ {
context = MemAlloc(sizeof *context); struct fsp_fuse_context_header *context_header;
if (0 == context)
context_header = MemAlloc(sizeof *context_header + sizeof *context);
if (0 == context_header)
return 0; return 0;
memset(context, 0, sizeof *context); memset(context_header, 0, sizeof *context_header + sizeof *context);
context = (PVOID)context_header->ContextBuf;
context->pid = -1; context->pid = -1;
TlsSetValue(fsp_fuse_tlskey, context); TlsSetValue(fsp_fuse_tlskey, context);

113
src/dll/fuse/fuseintf.c
View File

@ -17,10 +17,13 @@
#include <dll/fuse/library.h> #include <dll/fuse/library.h>
static NTSTATUS fsp_fuse_op_set_context(FSP_FILE_SYSTEM *FileSystem, HANDLE Token) NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{ {
struct fuse_context *context; struct fuse_context *context;
struct fsp_fuse_context_header *context_header;
UINT32 Uid = -1, Gid = -1; UINT32 Uid = -1, Gid = -1;
HANDLE Token;
union union
{ {
TOKEN_USER V; TOKEN_USER V;
@ -36,12 +39,15 @@ static NTSTATUS fsp_fuse_op_set_context(FSP_FILE_SYSTEM *FileSystem, HANDLE Toke
DWORD Size; DWORD Size;
NTSTATUS Result; NTSTATUS Result;
context = fsp_fuse_get_context(0); if (FspFsctlTransactCreateKind == Request->Kind)
if (0 == context) Token = (HANDLE)Request->Req.Create.AccessToken;
{ else if (FspFsctlTransactSetInformationKind == Request->Kind &&
Result = STATUS_INSUFFICIENT_RESOURCES; 10/*FileRenameInformation*/ == Request->Req.SetInformation.FileInformationClass)
goto exit; Token = (HANDLE)Request->Req.SetInformation.Info.Rename.AccessToken;
} else if (FspFsctlTransactSetSecurityKind == Request->Kind)
Token = (HANDLE)Request->Req.SetSecurity.AccessToken;
else
Token = 0;
if (0 != Token) if (0 != Token)
{ {
@ -98,11 +104,22 @@ static NTSTATUS fsp_fuse_op_set_context(FSP_FILE_SYSTEM *FileSystem, HANDLE Toke
goto exit; goto exit;
} }
context = fsp_fuse_get_context(0);
if (0 == context)
{
Result = STATUS_INSUFFICIENT_RESOURCES;
goto exit;
}
context->fuse = FileSystem->UserContext; context->fuse = FileSystem->UserContext;
context->uid = Uid; context->uid = Uid;
context->gid = Gid; context->gid = Gid;
Result = STATUS_SUCCESS; context_header = (PVOID)((PUINT8)context - sizeof *context_header);
context_header->Request = Request;
context_header->Response = Response;
Result = FspFileSystemOpEnter(FileSystem, Request, Response);
exit: exit:
if (UserInfo != &UserInfoBuf.V) if (UserInfo != &UserInfoBuf.V)
@ -114,52 +131,34 @@ exit:
return Result; return Result;
} }
NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{
NTSTATUS Result;
HANDLE Token;
Result = FspFileSystemOpEnter(FileSystem, Request, Response);
if (!NT_SUCCESS(Result))
return Result;
if (FspFsctlTransactCreateKind == Request->Kind)
Token = (HANDLE)Request->Req.Create.AccessToken;
else if (FspFsctlTransactSetInformationKind == Request->Kind &&
10/*FileRenameInformation*/ == Request->Req.SetInformation.FileInformationClass)
Token = (HANDLE)Request->Req.SetInformation.Info.Rename.AccessToken;
else if (FspFsctlTransactSetSecurityKind == Request->Kind)
Token = (HANDLE)Request->Req.SetSecurity.AccessToken;
else
Token = 0;
return fsp_fuse_op_set_context(FileSystem, Token);
}
NTSTATUS fsp_fuse_op_leave(FSP_FILE_SYSTEM *FileSystem, NTSTATUS fsp_fuse_op_leave(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response) FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response)
{ {
struct fuse_context *context; struct fuse_context *context;
struct fsp_fuse_context_header *context_header;
context = fsp_fuse_get_context(0); context = fsp_fuse_get_context(0);
context->fuse = 0; context->fuse = 0;
context->uid = -1; context->uid = -1;
context->gid = -1; context->gid = -1;
context_header = (PVOID)((PUINT8)context - sizeof *context_header);
context_header->Request = 0;
context_header->Response = 0;
FspFileSystemOpLeave(FileSystem, Request, Response); FspFileSystemOpLeave(FileSystem, Request, Response);
return STATUS_SUCCESS; return STATUS_SUCCESS;
} }
NTSTATUS fsp_fuse_intf_GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
FSP_FSCTL_VOLUME_INFO *VolumeInfo) FSP_FSCTL_VOLUME_INFO *VolumeInfo)
{ {
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_SetVolumeLabel(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_SetVolumeLabel(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PWSTR VolumeLabel, PWSTR VolumeLabel,
FSP_FSCTL_VOLUME_INFO *VolumeInfo) FSP_FSCTL_VOLUME_INFO *VolumeInfo)
@ -167,7 +166,7 @@ NTSTATUS fsp_fuse_intf_SetVolumeLabel(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_GetSecurityByName(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_GetSecurityByName(FSP_FILE_SYSTEM *FileSystem,
PWSTR FileName, PUINT32 PFileAttributes, PWSTR FileName, PUINT32 PFileAttributes,
PSECURITY_DESCRIPTOR SecurityDescriptorBuf, SIZE_T *PSecurityDescriptorSize) PSECURITY_DESCRIPTOR SecurityDescriptorBuf, SIZE_T *PSecurityDescriptorSize)
{ {
@ -232,7 +231,7 @@ exit:
return Result; return Result;
} }
NTSTATUS fsp_fuse_intf_Create(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_Create(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PWSTR FileName, BOOLEAN CaseSensitive, UINT32 CreateOptions, PWSTR FileName, BOOLEAN CaseSensitive, UINT32 CreateOptions,
UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize, UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
@ -241,27 +240,15 @@ NTSTATUS fsp_fuse_intf_Create(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_Open(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_Open(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PWSTR FileName, BOOLEAN CaseSensitive, UINT32 CreateOptions, PWSTR FileName, BOOLEAN CaseSensitive, UINT32 CreateOptions,
PVOID *PFileNode, FSP_FSCTL_FILE_INFO *FileInfo) PVOID *PFileNode, FSP_FSCTL_FILE_INFO *FileInfo)
{ {
#if 0
struct fuse *f = FileSystem->UserContext;
struct fuse_file_info fi;
char *PosixPath = 0;
int err;
NTSTATUS Result;
if (0 == f->ops.open)
return STATUS_INVALID_DEVICE_REQUEST;
err = f->ops.open(PosixPath, &fi);
#endif
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_Overwrite(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_Overwrite(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, UINT32 FileAttributes, BOOLEAN ReplaceFileAttributes, PVOID FileNode, UINT32 FileAttributes, BOOLEAN ReplaceFileAttributes,
FSP_FSCTL_FILE_INFO *FileInfo) FSP_FSCTL_FILE_INFO *FileInfo)
@ -269,19 +256,19 @@ NTSTATUS fsp_fuse_intf_Overwrite(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
VOID fsp_fuse_intf_Cleanup(FSP_FILE_SYSTEM *FileSystem, static VOID fsp_fuse_intf_Cleanup(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PWSTR FileName, BOOLEAN Delete) PVOID FileNode, PWSTR FileName, BOOLEAN Delete)
{ {
} }
VOID fsp_fuse_intf_Close(FSP_FILE_SYSTEM *FileSystem, static VOID fsp_fuse_intf_Close(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode) PVOID FileNode)
{ {
} }
NTSTATUS fsp_fuse_intf_Read(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_Read(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length, PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length,
PULONG PBytesTransferred) PULONG PBytesTransferred)
@ -289,7 +276,7 @@ NTSTATUS fsp_fuse_intf_Read(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_Write(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_Write(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length, PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length,
BOOLEAN WriteToEndOfFile, BOOLEAN ConstrainedIo, BOOLEAN WriteToEndOfFile, BOOLEAN ConstrainedIo,
@ -298,14 +285,14 @@ NTSTATUS fsp_fuse_intf_Write(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_Flush(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_Flush(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode) PVOID FileNode)
{ {
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_GetFileInfo(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_GetFileInfo(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID FileNode,
FSP_FSCTL_FILE_INFO *FileInfo) FSP_FSCTL_FILE_INFO *FileInfo)
@ -313,7 +300,7 @@ NTSTATUS fsp_fuse_intf_GetFileInfo(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_SetBasicInfo(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, UINT32 FileAttributes, PVOID FileNode, UINT32 FileAttributes,
UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime, UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime,
@ -322,7 +309,7 @@ NTSTATUS fsp_fuse_intf_SetBasicInfo(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_SetAllocationSize(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_SetAllocationSize(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, UINT64 AllocationSize, PVOID FileNode, UINT64 AllocationSize,
FSP_FSCTL_FILE_INFO *FileInfo) FSP_FSCTL_FILE_INFO *FileInfo)
@ -330,7 +317,7 @@ NTSTATUS fsp_fuse_intf_SetAllocationSize(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_SetFileSize(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_SetFileSize(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, UINT64 FileSize, PVOID FileNode, UINT64 FileSize,
FSP_FSCTL_FILE_INFO *FileInfo) FSP_FSCTL_FILE_INFO *FileInfo)
@ -338,14 +325,14 @@ NTSTATUS fsp_fuse_intf_SetFileSize(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_CanDelete(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_CanDelete(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PWSTR FileName) PVOID FileNode, PWSTR FileName)
{ {
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_Rename(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_Rename(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID FileNode,
PWSTR FileName, PWSTR NewFileName, BOOLEAN ReplaceIfExists) PWSTR FileName, PWSTR NewFileName, BOOLEAN ReplaceIfExists)
@ -353,7 +340,7 @@ NTSTATUS fsp_fuse_intf_Rename(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_GetSecurity(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_GetSecurity(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID FileNode,
PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize) PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize)
@ -361,7 +348,7 @@ NTSTATUS fsp_fuse_intf_GetSecurity(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_SetSecurity(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_SetSecurity(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID FileNode,
SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR SecurityDescriptor) SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR SecurityDescriptor)
@ -369,7 +356,7 @@ NTSTATUS fsp_fuse_intf_SetSecurity(FSP_FILE_SYSTEM *FileSystem,
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
NTSTATUS fsp_fuse_intf_ReadDirectory(FSP_FILE_SYSTEM *FileSystem, static NTSTATUS fsp_fuse_intf_ReadDirectory(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length, PVOID FileNode, PVOID Buffer, UINT64 Offset, ULONG Length,
PWSTR Pattern, PWSTR Pattern,

7
src/dll/fuse/library.h
View File

@ -37,6 +37,13 @@ struct fuse
BOOLEAN fsinit; BOOLEAN fsinit;
}; };
struct fsp_fuse_context_header
{
FSP_FSCTL_TRANSACT_REQ *Request;
FSP_FSCTL_TRANSACT_RSP *Response;
__declspec(align(MEMORY_ALLOCATION_ALIGNMENT)) UINT8 ContextBuf[];
};
NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem, NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response); FSP_FSCTL_TRANSACT_REQ *Request, FSP_FSCTL_TRANSACT_RSP *Response);
NTSTATUS fsp_fuse_op_leave(FSP_FILE_SYSTEM *FileSystem, NTSTATUS fsp_fuse_op_leave(FSP_FILE_SYSTEM *FileSystem,