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webservices: Protect errors with a critical section. 

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker 2017-03-08 11:25:58 +01:00 committed by Alexandre Julliard
parent bf589507cd
commit f261a830c4
1 changed files with 125 additions and 45 deletions
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170
dlls/webservices/reader.c
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@ -79,10 +79,14 @@ static const struct prop_desc error_props[] =
struct error
{
ULONG prop_count;
struct prop prop[sizeof(error_props)/sizeof(error_props[0])];
ULONG magic;
CRITICAL_SECTION cs;
ULONG prop_count;
struct prop prop[sizeof(error_props)/sizeof(error_props[0])];
};
#define ERROR_MAGIC (('E' << 24) | ('R' << 16) | ('R' << 8) | 'O')
static struct error *alloc_error(void)
{
static const ULONG count = sizeof(error_props)/sizeof(error_props[0]);
@ -90,11 +94,23 @@ static struct error *alloc_error(void)
ULONG size = sizeof(*ret) + prop_size( error_props, count );
if (!(ret = heap_alloc_zero( size ))) return NULL;
ret->magic = ERROR_MAGIC;
InitializeCriticalSection( &ret->cs );
ret->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": error.cs");
prop_init( error_props, count, ret->prop, &ret[1] );
ret->prop_count = count;
return ret;
}
static void free_error( struct error *error )
{
error->cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection( &error->cs );
heap_free( error );
}
/**************************************************************************
* WsCreateError [webservices.@]
*/
@ -115,14 +131,14 @@ HRESULT WINAPI WsCreateError( const WS_ERROR_PROPERTY *properties, ULONG count,
{
if (properties[i].id == WS_ERROR_PROPERTY_ORIGINAL_ERROR_CODE)
{
heap_free( error );
free_error( error );
return E_INVALIDARG;
}
hr = prop_set( error->prop, error->prop_count, properties[i].id, properties[i].value,
properties[i].valueSize );
if (hr != S_OK)
{
heap_free( error );
free_error( error );
return hr;
}
}
@ -131,6 +147,13 @@ HRESULT WINAPI WsCreateError( const WS_ERROR_PROPERTY *properties, ULONG count,
return S_OK;
}
static void reset_error( struct error *error )
{
ULONG code = 0;
/* FIXME: release strings added with WsAddErrorString when it's implemented, reset string count */
prop_set( error->prop, error->prop_count, WS_ERROR_PROPERTY_ORIGINAL_ERROR_CODE, &code, sizeof(code) );
}
/**************************************************************************
* WsFreeError [webservices.@]
*/
@ -139,7 +162,22 @@ void WINAPI WsFreeError( WS_ERROR *handle )
struct error *error = (struct error *)handle;
TRACE( "%p\n", handle );
heap_free( error );
if (!error) return;
EnterCriticalSection( &error->cs );
if (error->magic != ERROR_MAGIC)
{
LeaveCriticalSection( &error->cs );
return;
}
reset_error( error );
error->magic = 0;
LeaveCriticalSection( &error->cs );
free_error( error );
}
/**************************************************************************
@ -148,15 +186,92 @@ void WINAPI WsFreeError( WS_ERROR *handle )
HRESULT WINAPI WsResetError( WS_ERROR *handle )
{
struct error *error = (struct error *)handle;
ULONG code;
TRACE( "%p\n", handle );
if (!handle) return E_INVALIDARG;
if (!error) return E_INVALIDARG;
/* FIXME: release strings added with WsAddErrorString when it's implemented, reset string count */
code = 0;
return prop_set( error->prop, error->prop_count, WS_ERROR_PROPERTY_ORIGINAL_ERROR_CODE, &code, sizeof(code) );
EnterCriticalSection( &error->cs );
if (error->magic != ERROR_MAGIC)
{
LeaveCriticalSection( &error->cs );
return E_INVALIDARG;
}
reset_error( error );
LeaveCriticalSection( &error->cs );
return S_OK;
}
/**************************************************************************
* WsGetErrorProperty [webservices.@]
*/
HRESULT WINAPI WsGetErrorProperty( WS_ERROR *handle, WS_ERROR_PROPERTY_ID id, void *buf,
ULONG size )
{
struct error *error = (struct error *)handle;
HRESULT hr;
TRACE( "%p %u %p %u\n", handle, id, buf, size );
if (!error) return E_INVALIDARG;
EnterCriticalSection( &error->cs );
if (error->magic != ERROR_MAGIC)
{
LeaveCriticalSection( &error->cs );
return E_INVALIDARG;
}
hr = prop_get( error->prop, error->prop_count, id, buf, size );
LeaveCriticalSection( &error->cs );
return hr;
}
/**************************************************************************
* WsGetErrorString [webservices.@]
*/
HRESULT WINAPI WsGetErrorString( WS_ERROR *handle, ULONG index, WS_STRING *str )
{
FIXME( "%p %u %p: stub\n", handle, index, str );
return E_NOTIMPL;
}
/**************************************************************************
* WsSetErrorProperty [webservices.@]
*/
HRESULT WINAPI WsSetErrorProperty( WS_ERROR *handle, WS_ERROR_PROPERTY_ID id, const void *value,
ULONG size )
{
struct error *error = (struct error *)handle;
HRESULT hr;
TRACE( "%p %u %p %u\n", handle, id, value, size );
if (!error) return E_INVALIDARG;
EnterCriticalSection( &error->cs );
if (error->magic != ERROR_MAGIC)
{
LeaveCriticalSection( &error->cs );
return E_INVALIDARG;
}
if (id == WS_ERROR_PROPERTY_LANGID)
{
LeaveCriticalSection( &error->cs );
return WS_E_INVALID_OPERATION;
}
hr = prop_set( error->prop, error->prop_count, id, value, size );
LeaveCriticalSection( &error->cs );
return hr;
}
static const struct prop_desc heap_props[] =
@ -845,27 +960,6 @@ HRESULT WINAPI WsFillReader( WS_XML_READER *handle, ULONG min_size, const WS_ASY
return S_OK;
}
/**************************************************************************
* WsGetErrorProperty [webservices.@]
*/
HRESULT WINAPI WsGetErrorProperty( WS_ERROR *handle, WS_ERROR_PROPERTY_ID id, void *buf,
ULONG size )
{
struct error *error = (struct error *)handle;
TRACE( "%p %u %p %u\n", handle, id, buf, size );
return prop_get( error->prop, error->prop_count, id, buf, size );
}
/**************************************************************************
* WsGetErrorString [webservices.@]
*/
HRESULT WINAPI WsGetErrorString( WS_ERROR *handle, ULONG index, WS_STRING *str )
{
FIXME( "%p %u %p: stub\n", handle, index, str );
return E_NOTIMPL;
}
/**************************************************************************
* WsGetHeapProperty [webservices.@]
*/
@ -4358,20 +4452,6 @@ HRESULT WINAPI WsReadValue( WS_XML_READER *handle, WS_VALUE_TYPE value_type, voi
NULL, value, size );
}
/**************************************************************************
* WsSetErrorProperty [webservices.@]
*/
HRESULT WINAPI WsSetErrorProperty( WS_ERROR *handle, WS_ERROR_PROPERTY_ID id, const void *value,
ULONG size )
{
struct error *error = (struct error *)handle;
TRACE( "%p %u %p %u\n", handle, id, value, size );
if (id == WS_ERROR_PROPERTY_LANGID) return WS_E_INVALID_OPERATION;
return prop_set( error->prop, error->prop_count, id, value, size );
}
static inline BOOL is_utf8( const unsigned char *data, ULONG size, ULONG *offset )
{
static const char bom[] = {0xef,0xbb,0xbf};