uint32_t query_object(HANDLE handle, uint32_t information_class,
void *buf, uint32_t length)
{
assert(pNtQueryObject != NULL, "pNtQueryObject is NULL!", 0);
ULONG return_length;
if(NT_SUCCESS(pNtQueryObject(handle, information_class,
buf, length, &return_length)) != FALSE) {
return return_length;
}
return 0;
}
static void test_query_object(void)
{
static const WCHAR name[] = {'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s',
'\\','t','e','s','t','_','e','v','e','n','t'
};
static const WCHAR type_event[] = {'E','v','e','n','t'};
static const WCHAR type_file[] = {'F','i','l','e'};
HANDLE handle;
char buffer[1024];
NTSTATUS status;
ULONG len, expected_len;
UNICODE_STRING *str;
char dir[MAX_PATH];
handle = CreateEventA( NULL, FALSE, FALSE, "test_event" );
len = 0;
status = pNtQueryObject( handle, ObjectNameInformation, buffer, 0, &len );
ok( status == STATUS_INFO_LENGTH_MISMATCH, "NtQueryObject failed %x\n", status );
ok( len >= sizeof(UNICODE_STRING) + sizeof(name) + sizeof(WCHAR), "unexpected len %u\n", len );
len = 0;
status = pNtQueryObject( handle, ObjectTypeInformation, buffer, 0, &len );
todo_wine ok( status == STATUS_INFO_LENGTH_MISMATCH, "NtQueryObject failed %x\n", status );
todo_wine ok( len >= sizeof(OBJECT_TYPE_INFORMATION) + sizeof(type_event) + sizeof(WCHAR), "unexpected len %u\n", len );
len = 0;
status = pNtQueryObject( handle, ObjectNameInformation, buffer, sizeof(UNICODE_STRING), &len );
ok( status == STATUS_INFO_LENGTH_MISMATCH, "NtQueryObject failed %x\n", status );
ok( len >= sizeof(UNICODE_STRING) + sizeof(name) + sizeof(WCHAR), "unexpected len %u\n", len );
len = 0;
status = pNtQueryObject( handle, ObjectTypeInformation, buffer, sizeof(OBJECT_TYPE_INFORMATION), &len );
todo_wine ok( status == STATUS_INFO_LENGTH_MISMATCH, "NtQueryObject failed %x\n", status );
todo_wine ok( len >= sizeof(OBJECT_TYPE_INFORMATION) + sizeof(type_event) + sizeof(WCHAR), "unexpected len %u\n", len );
len = 0;
status = pNtQueryObject( handle, ObjectNameInformation, buffer, sizeof(buffer), &len );
ok( status == STATUS_SUCCESS, "NtQueryObject failed %x\n", status );
ok( len > sizeof(UNICODE_STRING), "unexpected len %u\n", len );
str = (UNICODE_STRING *)buffer;
ok( sizeof(UNICODE_STRING) + str->Length + sizeof(WCHAR) == len, "unexpected len %u\n", len );
ok( str->Length >= sizeof(name), "unexpected len %u\n", str->Length );
/* there can be a \\Sessions prefix in the name */
ok( !memcmp( str->Buffer + (str->Length - sizeof(name)) / sizeof(WCHAR), name, sizeof(name) ),
"wrong name %s\n", wine_dbgstr_w(str->Buffer) );
len -= sizeof(WCHAR);
status = pNtQueryObject( handle, ObjectNameInformation, buffer, len, &len );
ok( status == STATUS_INFO_LENGTH_MISMATCH, "NtQueryObject failed %x\n", status );
ok( len >= sizeof(UNICODE_STRING) + sizeof(name) + sizeof(WCHAR), "unexpected len %u\n", len );
len = 0;
memset( buffer, 0, sizeof(buffer) );
status = pNtQueryObject( handle, ObjectTypeInformation, buffer, sizeof(buffer), &len );
todo_wine ok( status == STATUS_SUCCESS, "NtQueryObject failed %x\n", status );
todo_wine ok( len > sizeof(OBJECT_TYPE_INFORMATION), "unexpected len %u\n", len );
str = (UNICODE_STRING *)buffer;
todo_wine ok( len >= sizeof(OBJECT_TYPE_INFORMATION) + str->Length + sizeof(WCHAR), "unexpected len %u\n", len );
todo_wine ok( str->Buffer && !memcmp( str->Buffer, type_event, sizeof(type_file) ),
"wrong/bad type name %s (%p)\n", wine_dbgstr_w(str->Buffer), str->Buffer );
len -= sizeof(WCHAR);
status = pNtQueryObject( handle, ObjectTypeInformation, buffer, len, &len );
todo_wine ok( status == STATUS_INFO_LENGTH_MISMATCH, "NtQueryObject failed %x\n", status );
todo_wine ok( len >= sizeof(OBJECT_TYPE_INFORMATION) + sizeof(type_event) + sizeof(WCHAR), "unexpected len %u\n", len );
pNtClose( handle );
handle = CreateEventA( NULL, FALSE, FALSE, NULL );
len = 0;
status = pNtQueryObject( handle, ObjectNameInformation, buffer, sizeof(buffer), &len );
ok( status == STATUS_SUCCESS, "NtQueryObject failed %x\n", status );
ok( len == sizeof(UNICODE_STRING), "unexpected len %u\n", len );
str = (UNICODE_STRING *)buffer;
ok( str->Length == 0, "unexpected len %u\n", len );
ok( str->Buffer == NULL, "unexpected ptr %p\n", str->Buffer );
pNtClose( handle );
GetWindowsDirectoryA( dir, MAX_PATH );
handle = CreateFileA( dir, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS, 0 );
len = 0;
status = pNtQueryObject( handle, ObjectNameInformation, buffer, sizeof(buffer), &len );
ok( status == STATUS_SUCCESS, "NtQueryObject failed %x\n", status );
ok( len > sizeof(UNICODE_STRING), "unexpected len %u\n", len );
str = (UNICODE_STRING *)buffer;
expected_len = sizeof(UNICODE_STRING) + str->Length + sizeof(WCHAR);
ok( len == expected_len || broken(len == expected_len - sizeof(WCHAR)), /* NT4 */
"unexpected len %u\n", len );
trace( "got %s len %u\n", wine_dbgstr_w(str->Buffer), len );
len = 0;
status = pNtQueryObject( handle, ObjectNameInformation, buffer, 0, &len );
ok( status == STATUS_INFO_LENGTH_MISMATCH || broken(status == STATUS_INSUFFICIENT_RESOURCES),
"NtQueryObject failed %x\n", status );
ok( len == expected_len || broken(!len || len == sizeof(UNICODE_STRING)),
"unexpected len %u\n", len );
len = 0;
status = pNtQueryObject( handle, ObjectNameInformation, buffer, sizeof(UNICODE_STRING), &len );
ok( status == STATUS_BUFFER_OVERFLOW || broken(status == STATUS_INSUFFICIENT_RESOURCES
|| status == STATUS_INFO_LENGTH_MISMATCH),
"NtQueryObject failed %x\n", status );
ok( len == expected_len || broken(!len),
"unexpected len %u\n", len );
len = 0;
memset( buffer, 0, sizeof(buffer) );
status = pNtQueryObject( handle, ObjectTypeInformation, buffer, sizeof(buffer), &len );
todo_wine ok( status == STATUS_SUCCESS, "NtQueryObject failed %x\n", status );
todo_wine ok( len > sizeof(OBJECT_TYPE_INFORMATION), "unexpected len %u\n", len );
str = (UNICODE_STRING *)buffer;
expected_len = sizeof(OBJECT_TYPE_INFORMATION) + str->Length + sizeof(WCHAR);
todo_wine ok( len >= expected_len, "unexpected len %u\n", len );
todo_wine ok( str->Buffer && !memcmp( str->Buffer, type_file, sizeof(type_file) ),
"wrong/bad type name %s (%p)\n", wine_dbgstr_w(str->Buffer), str->Buffer );
pNtClose( handle );
}
