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dll: fuse: implementation checkpoint

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This commit is contained in:
Bill Zissimopoulos 2016-06-09 12:50:53 -07:00
parent 90039ecd72
commit e222c3ae72
2 changed files with 29 additions and 4 deletions
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32
src/dll/fuse/fuseintf.c
View File

@ -22,8 +22,10 @@ NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
{ {
struct fuse_context *context; struct fuse_context *context;
struct fsp_fuse_context_header *context_header; struct fsp_fuse_context_header *context_header;
char *PosixPath = 0;
UINT32 Uid = -1, Gid = -1; UINT32 Uid = -1, Gid = -1;
HANDLE Token; PWSTR FileName = 0;
HANDLE Token = 0;
union union
{ {
TOKEN_USER V; TOKEN_USER V;
@ -40,14 +42,25 @@ NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
NTSTATUS Result; NTSTATUS Result;
if (FspFsctlTransactCreateKind == Request->Kind) if (FspFsctlTransactCreateKind == Request->Kind)
{
FileName = (PWSTR)Request->Buffer;
Token = (HANDLE)Request->Req.Create.AccessToken; Token = (HANDLE)Request->Req.Create.AccessToken;
}
else if (FspFsctlTransactSetInformationKind == Request->Kind && else if (FspFsctlTransactSetInformationKind == Request->Kind &&
10/*FileRenameInformation*/ == Request->Req.SetInformation.FileInformationClass) 10/*FileRenameInformation*/ == Request->Req.SetInformation.FileInformationClass)
{
FileName = (PWSTR)(Request->Buffer + Request->Req.SetInformation.Info.Rename.NewFileName.Offset);
Token = (HANDLE)Request->Req.SetInformation.Info.Rename.AccessToken; Token = (HANDLE)Request->Req.SetInformation.Info.Rename.AccessToken;
}
else if (FspFsctlTransactSetSecurityKind == Request->Kind) else if (FspFsctlTransactSetSecurityKind == Request->Kind)
Token = (HANDLE)Request->Req.SetSecurity.AccessToken; Token = (HANDLE)Request->Req.SetSecurity.AccessToken;
else
Token = 0; if (0 != FileName)
{
Result = FspPosixMapWindowsToPosixPath(FileName, &PosixPath);
if (!NT_SUCCESS(Result))
goto exit;
}
if (0 != Token) if (0 != Token)
{ {
@ -111,6 +124,10 @@ NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
goto exit; goto exit;
} }
Result = FspFileSystemOpEnter(FileSystem, Request, Response);
if (!NT_SUCCESS(Result))
goto exit;
context->fuse = FileSystem->UserContext; context->fuse = FileSystem->UserContext;
context->uid = Uid; context->uid = Uid;
context->gid = Gid; context->gid = Gid;
@ -118,8 +135,9 @@ NTSTATUS fsp_fuse_op_enter(FSP_FILE_SYSTEM *FileSystem,
context_header = (PVOID)((PUINT8)context - sizeof *context_header); context_header = (PVOID)((PUINT8)context - sizeof *context_header);
context_header->Request = Request; context_header->Request = Request;
context_header->Response = Response; context_header->Response = Response;
context_header->PosixPath = PosixPath;
Result = FspFileSystemOpEnter(FileSystem, Request, Response); Result = STATUS_SUCCESS;
exit: exit:
if (UserInfo != &UserInfoBuf.V) if (UserInfo != &UserInfoBuf.V)
@ -128,6 +146,9 @@ exit:
if (GroupInfo != &GroupInfoBuf.V) if (GroupInfo != &GroupInfoBuf.V)
MemFree(GroupInfo); MemFree(GroupInfo);
if (!NT_SUCCESS(Result) && 0 != PosixPath)
FspPosixDeletePath(PosixPath);
return Result; return Result;
} }
@ -143,8 +164,11 @@ NTSTATUS fsp_fuse_op_leave(FSP_FILE_SYSTEM *FileSystem,
context->gid = -1; context->gid = -1;
context_header = (PVOID)((PUINT8)context - sizeof *context_header); context_header = (PVOID)((PUINT8)context - sizeof *context_header);
if (0 != context_header->PosixPath)
FspPosixDeletePath(context_header->PosixPath);
context_header->Request = 0; context_header->Request = 0;
context_header->Response = 0; context_header->Response = 0;
context_header->PosixPath = 0;
FspFileSystemOpLeave(FileSystem, Request, Response); FspFileSystemOpLeave(FileSystem, Request, Response);

1
src/dll/fuse/library.h
View File

@ -41,6 +41,7 @@ struct fsp_fuse_context_header
{ {
FSP_FSCTL_TRANSACT_REQ *Request; FSP_FSCTL_TRANSACT_REQ *Request;
FSP_FSCTL_TRANSACT_RSP *Response; FSP_FSCTL_TRANSACT_RSP *Response;
char *PosixPath;
__declspec(align(MEMORY_ALLOCATION_ALIGNMENT)) UINT8 ContextBuf[]; __declspec(align(MEMORY_ALLOCATION_ALIGNMENT)) UINT8 ContextBuf[];
}; };