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wbemprox: Allocate a large enough buffer in get_computername.

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Thomas Faber 2015-02-22 21:17:46 +01:00 committed by Alexandre Julliard
parent 17c91f607c
commit 42825cdc14
2 changed files with 52 additions and 1 deletions
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2
dlls/wbemprox/builtin.c
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@ -1121,7 +1121,7 @@ static UINT64 get_total_physical_memory(void)
static WCHAR *get_computername(void)
{
WCHAR *ret;
DWORD size = MAX_COMPUTERNAME_LENGTH;
DWORD size = MAX_COMPUTERNAME_LENGTH + 1;
if (!(ret = heap_alloc( size * sizeof(WCHAR) ))) return NULL;
GetComputerNameW( ret, &size );

51
dlls/wbemprox/tests/query.c
View file

@ -341,6 +341,56 @@ static void test_Win32_Process( IWbemServices *services )
IWbemClassObject_Release( out );
}
static void test_Win32_ComputerSystem( IWbemServices *services )
{
static const WCHAR nameW[] = {'N','a','m','e',0};
static const WCHAR queryW[] =
{'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','W','i','n','3','2','_',
'C','o','m','p','u','t','e','r','S','y','s','t','e','m',0};
BSTR wql = SysAllocString( wqlW ), query = SysAllocString( queryW );
IEnumWbemClassObject *result;
IWbemClassObject *service;
VARIANT value;
CIMTYPE type;
HRESULT hr;
WCHAR compname[MAX_COMPUTERNAME_LENGTH + 1];
DWORD len, count;
len = sizeof(compname) / sizeof(compname[0]);
if (!GetComputerNameW( compname, &len ))
compname[0] = 0;
if (!compname[0])
{
skip( "Failed to get computer name\n" );
return;
}
hr = IWbemServices_ExecQuery( services, wql, query, 0, NULL, &result );
if (hr != S_OK)
{
win_skip( "Win32_ComputerSystem not available\n" );
return;
}
IEnumWbemClassObject_Next( result, 10000, 1, &service, &count );
ok( hr == S_OK, "got %08x\n", hr );
type = 0xdeadbeef;
VariantInit( &value );
hr = IWbemClassObject_Get( service, nameW, 0, &value, &type, NULL );
ok( hr == S_OK, "failed to get computer name %08x\n", hr );
ok( V_VT( &value ) == VT_BSTR, "unexpected variant type 0x%x\n", V_VT( &value ) );
ok( type == CIM_STRING, "unexpected type 0x%x\n", type );
ok( !lstrcmpiW( V_BSTR( &value ), compname ), "got %s, expected %s\n", wine_dbgstr_w(V_BSTR(&value)), wine_dbgstr_w(compname) );
VariantClear( &value );
IWbemClassObject_Release( service );
IEnumWbemClassObject_Release( result );
SysFreeString( query );
SysFreeString( wql );
}
static void test_StdRegProv( IWbemServices *services )
{
static const WCHAR enumkeyW[] = {'E','n','u','m','K','e','y',0};
@ -756,6 +806,7 @@ START_TEST(query)
test_select( services );
test_Win32_Process( services );
test_Win32_Service( services );
test_Win32_ComputerSystem( services );
test_StdRegProv( services );
test_notification_query_async( services );
test_query_async( services );