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git://source.winehq.org/git/wine.git
synced 2024-08-31 11:54:06 +00:00
wmic: Handle properly list for GET verb.
Instead of querying all properties and then matching to requested one, first check if all requested properties are supported by given class. Then select just that subset. Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
This commit is contained in:
parent
4c96a51bdb
commit
a2f8f5f93f
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@ -61,34 +61,14 @@ static const WCHAR *find_class( const WCHAR *alias )
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return NULL;
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}
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static WCHAR *find_prop( IWbemClassObject *class, const WCHAR *prop )
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{
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SAFEARRAY *sa;
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WCHAR *ret = NULL;
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LONG i, last_index = 0;
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BSTR str;
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if (IWbemClassObject_GetNames( class, NULL, WBEM_FLAG_ALWAYS, NULL, &sa ) != S_OK) return NULL;
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SafeArrayGetUBound( sa, 1, &last_index );
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for (i = 0; i <= last_index; i++)
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{
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SafeArrayGetElement( sa, &i, &str );
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if (!wcsicmp( str, prop ))
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{
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ret = wcsdup( str );
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break;
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}
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}
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SafeArrayDestroy( sa );
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return ret;
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}
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static int WINAPIV output_string( HANDLE handle, const WCHAR *msg, ... )
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{
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BOOL output = GetStdHandle(STD_OUTPUT_HANDLE) == handle;
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static const WCHAR bomW[] = {0xfeff};
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static BOOL bom;
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va_list va_args;
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int len;
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DWORD count;
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DWORD count, bom_count = 0;
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WCHAR buffer[8192];
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va_start( va_args, msg );
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@ -96,9 +76,16 @@ static int WINAPIV output_string( HANDLE handle, const WCHAR *msg, ... )
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va_end( va_args );
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if (!WriteConsoleW( handle, buffer, len, &count, NULL ))
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{
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if (output && !bom)
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{
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WriteFile( handle, bomW, sizeof(bomW), &bom_count, FALSE );
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bom = TRUE;
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}
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WriteFile( handle, buffer, len * sizeof(WCHAR), &count, FALSE );
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}
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return count;
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return count + bom_count;
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}
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static int output_error( int msg )
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@ -109,46 +96,90 @@ static int output_error( int msg )
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return output_string( GetStdHandle(STD_ERROR_HANDLE), L"%s", buffer );
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}
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static int output_header( const WCHAR *prop, ULONG column_width )
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static int output_text( const WCHAR *str, ULONG column_width )
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{
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static const WCHAR bomW[] = {0xfeff};
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int len;
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DWORD count;
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WCHAR buffer[8192];
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return output_string( GetStdHandle(STD_OUTPUT_HANDLE), L"%-*s", column_width, str );
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}
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len = swprintf( buffer, ARRAY_SIZE(buffer), L"%-*s\r\n", column_width, prop );
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static int output_newline( void )
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{
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return output_string( GetStdHandle(STD_OUTPUT_HANDLE), L"\r\n" );
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}
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if (!WriteConsoleW( GetStdHandle(STD_OUTPUT_HANDLE), buffer, len, &count, NULL )) /* redirected */
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static WCHAR * strip_spaces(WCHAR *start)
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{
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WCHAR *str = start, *end;
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while (*str == ' ')
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str++;
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end = start + lstrlenW(start) - 1;
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while (end >= start && *end == ' ')
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{
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WriteFile( GetStdHandle(STD_OUTPUT_HANDLE), bomW, sizeof(bomW), &count, FALSE );
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WriteFile( GetStdHandle(STD_OUTPUT_HANDLE), buffer, len * sizeof(WCHAR), &count, FALSE );
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count += sizeof(bomW);
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*end = '\0';
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end--;
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}
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return count;
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return str;
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}
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static int output_line( const WCHAR *str, ULONG column_width )
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static HRESULT process_property_list( IWbemClassObject *obj, const WCHAR *proplist, WCHAR **ret )
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{
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return output_string( GetStdHandle(STD_OUTPUT_HANDLE), L"%-*s\r\n", column_width, str );
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WCHAR *p, *ctx, *ptr, *stripped;
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HRESULT hr = S_OK;
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if (!(p = wcsdup( proplist ))) return E_OUTOFMEMORY;
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if (!(stripped = malloc( (wcslen( proplist ) + 1) * sizeof(**ret) )))
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{
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free( p );
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return E_OUTOFMEMORY;
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}
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*stripped = 0;
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/* Validate that every requested property is supported. */
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ptr = wcstok_s( p, L",", &ctx );
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while (ptr)
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{
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ptr = strip_spaces( ptr );
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if (FAILED(IWbemClassObject_Get( obj, ptr, 0, NULL, NULL, NULL )))
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{
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hr = E_FAIL;
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break;
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}
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if (*stripped) wcscat( stripped, L"," );
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wcscat( stripped, ptr );
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ptr = wcstok_s( NULL, L",", &ctx );
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}
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free( p );
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if (SUCCEEDED(hr))
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*ret = stripped;
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else
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{
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free( stripped );
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*ret = NULL;
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}
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return hr;
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}
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static int query_prop( const WCHAR *class, const WCHAR *propname )
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static int query_prop( const WCHAR *class, const WCHAR *propnames )
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{
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HRESULT hr;
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IWbemLocator *locator = NULL;
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IWbemServices *services = NULL;
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IEnumWbemClassObject *result = NULL;
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LONG flags = WBEM_FLAG_RETURN_IMMEDIATELY | WBEM_FLAG_FORWARD_ONLY;
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BSTR path = NULL, wql = NULL, query = NULL;
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WCHAR *prop = NULL;
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BOOL first = TRUE;
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BSTR path = NULL, wql = NULL, query = NULL, name, str = NULL;
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WCHAR *proplist = NULL;
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int len, ret = -1;
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IWbemClassObject *obj;
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ULONG count, width = 0;
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VARIANT v;
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WINE_TRACE("%s, %s\n", debugstr_w(class), debugstr_w(propname));
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WINE_TRACE("%s, %s\n", debugstr_w(class), debugstr_w(propnames));
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CoInitialize( NULL );
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CoInitializeSecurity( NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_DEFAULT,
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@ -162,10 +193,27 @@ static int query_prop( const WCHAR *class, const WCHAR *propname )
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hr = IWbemLocator_ConnectServer( locator, path, NULL, NULL, NULL, 0, NULL, NULL, &services );
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if (hr != S_OK) goto done;
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len = lstrlenW( class ) + ARRAY_SIZE(L"SELECT * FROM ");
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if (!(str = SysAllocString( class ))) goto done;
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hr = IWbemServices_GetObject( services, str, 0, NULL, &obj, NULL );
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SysFreeString( str );
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if (hr != S_OK)
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{
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WARN("Unrecognized class %s.\n", debugstr_w(class));
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goto done;
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}
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/* Check that this class supports all requested properties. */
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hr = process_property_list( obj, propnames, &proplist );
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IWbemClassObject_Release( obj );
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if (FAILED(hr))
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{
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output_error( STRING_INVALID_QUERY );
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goto done;
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}
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len = lstrlenW( class ) + lstrlenW( proplist ) + ARRAY_SIZE(L"SELECT * FROM ");
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if (!(query = SysAllocStringLen( NULL, len ))) goto done;
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lstrcpyW( query, L"SELECT * FROM " );
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lstrcatW( query, class );
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swprintf( query, len, L"SELECT %s FROM %s", proplist, class );
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if (!(wql = SysAllocString(L"WQL" ))) goto done;
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hr = IWbemServices_ExecQuery( services, wql, query, flags, NULL, &result );
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@ -176,38 +224,46 @@ static int query_prop( const WCHAR *class, const WCHAR *propname )
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IEnumWbemClassObject_Next( result, WBEM_INFINITE, 1, &obj, &count );
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if (!count) break;
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if (!prop && !(prop = find_prop( obj, propname )))
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{
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output_error( STRING_INVALID_QUERY );
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goto done;
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}
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if (IWbemClassObject_Get( obj, prop, 0, &v, NULL, NULL ) == WBEM_S_NO_ERROR)
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while (IWbemClassObject_Next( obj, 0, &name, &v, NULL, NULL ) == S_OK)
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{
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VariantChangeType( &v, &v, 0, VT_BSTR );
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width = max( lstrlenW( V_BSTR( &v ) ), width );
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VariantClear( &v );
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SysFreeString( name );
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}
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IWbemClassObject_Release( obj );
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}
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width += 2;
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/* Header */
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IEnumWbemClassObject_Reset( result );
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IEnumWbemClassObject_Next( result, WBEM_INFINITE, 1, &obj, &count );
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if (count)
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{
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while (IWbemClassObject_Next( obj, 0, &name, NULL, NULL, NULL ) == S_OK)
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{
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output_text( name, width );
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SysFreeString( name );
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}
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output_newline();
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IWbemClassObject_Release( obj );
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}
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/* Values */
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IEnumWbemClassObject_Reset( result );
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for (;;)
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{
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IEnumWbemClassObject_Next( result, WBEM_INFINITE, 1, &obj, &count );
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if (!count) break;
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if (first)
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{
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output_header( prop, width );
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first = FALSE;
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}
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if (IWbemClassObject_Get( obj, prop, 0, &v, NULL, NULL ) == WBEM_S_NO_ERROR)
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while (IWbemClassObject_Next( obj, 0, NULL, &v, NULL, NULL ) == S_OK)
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{
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VariantChangeType( &v, &v, 0, VT_BSTR );
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output_line( V_BSTR( &v ), width );
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output_text( V_BSTR( &v ), width );
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VariantClear( &v );
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}
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output_newline();
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IWbemClassObject_Release( obj );
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}
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ret = 0;
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@ -219,7 +275,7 @@ done:
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SysFreeString( path );
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SysFreeString( query );
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SysFreeString( wql );
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free( prop );
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free( proplist );
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CoUninitialize();
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return ret;
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}
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