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Felix Münchhalfen
wine
Commits
fee65e46
"README.md" did not exist on "d0b9ab2b91bc202df03691efa479fd8100b18914"
Commit
fee65e46
authored
25 years ago
by
Alexandre Julliard
Browse files
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Don't crash when ObjectAttributes is NULL.
parent
eafa3910
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1 changed file
dlls/ntdll/sync.c
+78
-109
78 additions, 109 deletions
dlls/ntdll/sync.c
with
78 additions
and
109 deletions
dlls/ntdll/sync.c
+
78
−
109
View file @
fee65e46
...
...
@@ -17,15 +17,15 @@
DEFAULT_DEBUG_CHANNEL
(
ntdll
);
/* copy a key name into the request buffer */
static
inline
NTSTATUS
copy_nameU
(
LPWSTR
Dest
,
PUNICODE_STRING
Name
)
static
inline
NTSTATUS
copy_nameU
(
LPWSTR
Dest
,
const
OBJECT_ATTRIBUTES
*
attr
)
{
if
(
Name
->
Buffer
)
{
if
((
Name
->
Length
)
>
MAX_PATH
)
return
STATUS_BUFFER_OVERFLOW
;
lstrcpyW
(
Dest
,
Name
->
Buffer
);
}
else
Dest
[
0
]
=
0
;
return
STATUS_SUCCESS
;
if
(
attr
&&
attr
->
ObjectName
&&
attr
->
Object
Name
->
Buffer
)
{
if
((
attr
->
Object
Name
->
Length
)
>
MAX_PATH
)
return
STATUS_BUFFER_OVERFLOW
;
lstrcpyW
(
Dest
,
attr
->
Object
Name
->
Buffer
);
}
else
Dest
[
0
]
=
0
;
return
STATUS_SUCCESS
;
}
/*
...
...
@@ -42,48 +42,38 @@ NTSTATUS WINAPI NtCreateSemaphore(
IN
ULONG
InitialCount
,
IN
ULONG
MaximumCount
)
{
struct
create_semaphore_request
*
req
=
get_req_buffer
();
HRESULT
ret
;
FIXME
(
"(%p,0x%08lx,%p,0x%08lx,0x%08lx) stub!
\n
"
,
SemaphoreHandle
,
DesiredAccess
,
ObjectAttributes
,
InitialCount
,
MaximumCount
);
dump_ObjectAttributes
(
ObjectAttributes
);
if
((
MaximumCount
<=
0
)
||
(
InitialCount
<
0
)
||
(
InitialCount
>
MaximumCount
))
return
STATUS_INVALID_PARAMETER
;
*
SemaphoreHandle
=
0
;
req
->
initial
=
InitialCount
;
req
->
max
=
MaximumCount
;
req
->
inherit
=
ObjectAttributes
->
Attributes
&
OBJ_INHERIT
;
copy_nameU
(
req
->
name
,
ObjectAttributes
->
ObjectName
);
if
(
!
(
ret
=
server_call_noerr
(
REQ_CREATE_SEMAPHORE
)))
*
SemaphoreHandle
=
req
->
handle
;
return
ret
;
struct
create_semaphore_request
*
req
=
get_req_buffer
();
NTSTATUS
ret
;
if
((
MaximumCount
<=
0
)
||
(
InitialCount
<
0
)
||
(
InitialCount
>
MaximumCount
))
return
STATUS_INVALID_PARAMETER
;
*
SemaphoreHandle
=
0
;
req
->
initial
=
InitialCount
;
req
->
max
=
MaximumCount
;
req
->
inherit
=
ObjectAttributes
&&
(
ObjectAttributes
->
Attributes
&
OBJ_INHERIT
);
if
(
!
(
ret
=
copy_nameU
(
req
->
name
,
ObjectAttributes
))
&&
!
(
ret
=
server_call_noerr
(
REQ_CREATE_SEMAPHORE
)))
*
SemaphoreHandle
=
req
->
handle
;
return
ret
;
}
/******************************************************************************
* NtOpenSemaphore
*
* FIXME
*/
NTSTATUS
WINAPI
NtOpenSemaphore
(
IN
HANDLE
SemaphoreHandle
,
OUT
P
HANDLE
SemaphoreHandle
,
IN
ACCESS_MASK
DesiredAcces
,
IN
POBJECT_ATTRIBUTES
ObjectAttributes
)
{
struct
open_semaphore_request
*
req
=
get_req_buffer
();
HRESULT
ret
;
FIXME
(
"(0x%08x,0x%08lx,%p) stub!
\n
"
,
SemaphoreHandle
,
DesiredAcces
,
ObjectAttributes
);
dump_ObjectAttributes
(
ObjectAttributes
);
req
->
access
=
DesiredAcces
;
req
->
inherit
=
ObjectAttributes
->
Attributes
&
OBJ_INHERIT
;
copy_nameU
(
req
->
name
,
ObjectAttributes
->
ObjectName
);
if
((
ret
=
server_call_noerr
(
REQ_OPEN_SEMAPHORE
))
!=
STATUS_SUCCESS
)
return
-
1
;
return
req
->
handle
;
struct
open_semaphore_request
*
req
=
get_req_buffer
();
NTSTATUS
ret
;
*
SemaphoreHandle
=
0
;
req
->
access
=
DesiredAcces
;
req
->
inherit
=
ObjectAttributes
&&
(
ObjectAttributes
->
Attributes
&
OBJ_INHERIT
);
if
(
!
(
ret
=
copy_nameU
(
req
->
name
,
ObjectAttributes
))
&&
!
(
ret
=
server_call_noerr
(
REQ_OPEN_SEMAPHORE
)))
*
SemaphoreHandle
=
req
->
handle
;
return
ret
;
}
/******************************************************************************
...
...
@@ -108,21 +98,18 @@ NTSTATUS WINAPI NtReleaseSemaphore(
IN
ULONG
ReleaseCount
,
IN
PULONG
PreviousCount
)
{
struct
release_semaphore_request
*
req
=
get_req_buffer
();
HRESULT
ret
;
FIXME
(
"(0x%08x,0x%08lx,%p,) stub!
\n
"
,
SemaphoreHandle
,
ReleaseCount
,
PreviousCount
);
if
(
ReleaseCount
<
0
)
return
STATUS_INVALID_PARAMETER
;
req
->
handle
=
SemaphoreHandle
;
req
->
count
=
ReleaseCount
;
if
(
!
(
ret
=
server_call_noerr
(
REQ_RELEASE_SEMAPHORE
)))
{
if
(
PreviousCount
)
*
PreviousCount
=
req
->
prev_count
;
}
return
ret
;
struct
release_semaphore_request
*
req
=
get_req_buffer
();
NTSTATUS
ret
;
if
(
ReleaseCount
<
0
)
return
STATUS_INVALID_PARAMETER
;
req
->
handle
=
SemaphoreHandle
;
req
->
count
=
ReleaseCount
;
if
(
!
(
ret
=
server_call_noerr
(
REQ_RELEASE_SEMAPHORE
)))
{
if
(
PreviousCount
)
*
PreviousCount
=
req
->
prev_count
;
}
return
ret
;
}
/*
...
...
@@ -139,20 +126,16 @@ NTSTATUS WINAPI NtCreateEvent(
IN
BOOLEAN
ManualReset
,
IN
BOOLEAN
InitialState
)
{
struct
create_event_request
*
req
=
get_req_buffer
();
HRESULT
ret
;
FIXME
(
"(%p,0x%08lx,%p,%08x,%08x): empty stub
\n
"
,
EventHandle
,
DesiredAccess
,
ObjectAttributes
,
ManualReset
,
InitialState
);
dump_ObjectAttributes
(
ObjectAttributes
);
*
EventHandle
=
0
;
req
->
manual_reset
=
ManualReset
;
req
->
initial_state
=
InitialState
;
req
->
inherit
=
ObjectAttributes
->
Attributes
&
OBJ_INHERIT
;
copy_nameU
(
req
->
name
,
ObjectAttributes
->
ObjectName
);
if
(
!
(
ret
=
server_call_noerr
(
REQ_CREATE_EVENT
)))
*
EventHandle
=
req
->
handle
;
return
ret
;
struct
create_event_request
*
req
=
get_req_buffer
();
NTSTATUS
ret
;
*
EventHandle
=
0
;
req
->
manual_reset
=
ManualReset
;
req
->
initial_state
=
InitialState
;
req
->
inherit
=
ObjectAttributes
&&
(
ObjectAttributes
->
Attributes
&
OBJ_INHERIT
);
if
(
!
(
ret
=
copy_nameU
(
req
->
name
,
ObjectAttributes
))
&&
!
(
ret
=
server_call_noerr
(
REQ_CREATE_EVENT
)))
*
EventHandle
=
req
->
handle
;
return
ret
;
}
/******************************************************************************
...
...
@@ -163,36 +146,17 @@ NTSTATUS WINAPI NtOpenEvent(
IN
ACCESS_MASK
DesiredAccess
,
IN
POBJECT_ATTRIBUTES
ObjectAttributes
)
{
struct
open_event_request
*
req
=
get_req_buffer
();
HRESULT
ret
;
FIXME
(
"(%p,0x%08lx,%p),stub!
\n
"
,
EventHandle
,
DesiredAccess
,
ObjectAttributes
);
dump_ObjectAttributes
(
ObjectAttributes
);
*
EventHandle
=
0
;
req
->
access
=
DesiredAccess
;
req
->
inherit
=
ObjectAttributes
->
Attributes
&
OBJ_INHERIT
;
copy_nameU
(
req
->
name
,
ObjectAttributes
->
ObjectName
);
if
(
!
(
ret
=
server_call_noerr
(
REQ_OPEN_EVENT
)))
*
EventHandle
=
req
->
handle
;
return
ret
;
struct
open_event_request
*
req
=
get_req_buffer
();
NTSTATUS
ret
;
*
EventHandle
=
0
;
req
->
access
=
DesiredAccess
;
req
->
inherit
=
ObjectAttributes
&&
(
ObjectAttributes
->
Attributes
&
OBJ_INHERIT
);
if
(
!
(
ret
=
copy_nameU
(
req
->
name
,
ObjectAttributes
))
&&
!
(
ret
=
server_call_noerr
(
REQ_OPEN_EVENT
)))
*
EventHandle
=
req
->
handle
;
return
ret
;
}
/***********************************************************************
* EVENT_Operation
*
* Execute an event operation (set,reset,pulse).
*/
static
NTSTATUS
EVENT_Operation
(
HANDLE
handle
,
PULONG
NumberOfThreadsReleased
,
enum
event_op
op
)
{
struct
event_op_request
*
req
=
get_req_buffer
();
req
->
handle
=
handle
;
req
->
op
=
op
;
return
server_call_noerr
(
REQ_EVENT_OP
);
}
/******************************************************************************
* NtSetEvent
...
...
@@ -201,9 +165,11 @@ NTSTATUS WINAPI NtSetEvent(
IN
HANDLE
EventHandle
,
PULONG
NumberOfThreadsReleased
)
{
FIXME
(
"(0x%08x,%p)
\n
"
,
EventHandle
,
NumberOfThreadsReleased
);
return
EVENT_Operation
(
EventHandle
,
NumberOfThreadsReleased
,
SET_EVENT
);
struct
event_op_request
*
req
=
get_req_buffer
();
FIXME
(
"(0x%08x,%p)
\n
"
,
EventHandle
,
NumberOfThreadsReleased
);
req
->
handle
=
EventHandle
;
req
->
op
=
SET_EVENT
;
return
server_call_noerr
(
REQ_EVENT_OP
);
}
/******************************************************************************
...
...
@@ -213,9 +179,11 @@ NTSTATUS WINAPI NtResetEvent(
IN
HANDLE
EventHandle
,
PULONG
NumberOfThreadsReleased
)
{
FIXME
(
"(0x%08x,%p)
\n
"
,
EventHandle
,
NumberOfThreadsReleased
);
return
EVENT_Operation
(
EventHandle
,
NumberOfThreadsReleased
,
RESET_EVENT
);
struct
event_op_request
*
req
=
get_req_buffer
();
FIXME
(
"(0x%08x,%p)
\n
"
,
EventHandle
,
NumberOfThreadsReleased
);
req
->
handle
=
EventHandle
;
req
->
op
=
RESET_EVENT
;
return
server_call_noerr
(
REQ_EVENT_OP
);
}
/******************************************************************************
...
...
@@ -227,8 +195,7 @@ NTSTATUS WINAPI NtResetEvent(
NTSTATUS
WINAPI
NtClearEvent
(
IN
HANDLE
EventHandle
)
{
FIXME
(
"(0x%08x)
\n
"
,
EventHandle
);
return
EVENT_Operation
(
EventHandle
,
NULL
,
RESET_EVENT
);
return
NtResetEvent
(
EventHandle
,
NULL
);
}
/******************************************************************************
...
...
@@ -241,9 +208,11 @@ NTSTATUS WINAPI NtPulseEvent(
IN
HANDLE
EventHandle
,
IN
PULONG
PulseCount
)
{
FIXME
(
"(0x%08x,%p)
\n
"
,
EventHandle
,
PulseCount
);
return
EVENT_Operation
(
EventHandle
,
NULL
,
PULSE_EVENT
);
struct
event_op_request
*
req
=
get_req_buffer
();
FIXME
(
"(0x%08x,%p)
\n
"
,
EventHandle
,
PulseCount
);
req
->
handle
=
EventHandle
;
req
->
op
=
PULSE_EVENT
;
return
server_call_noerr
(
REQ_EVENT_OP
);
}
/******************************************************************************
...
...
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