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src: add napi_define_class() null checks · nodejs/node@c821eef · GitHub

/ node Public

Commit c821eef

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Octavian Soldea
authored and
BridgeAR
committed
src: add napi_define_class() null checks
napi_define_class is tested by passing NULL to all parameters that are pointers, one at a time. Moreover, two bugs were corrected. One was utf8name and the second was the property descriptor pointer. These pointers were assumed to be non-NULL and now we have NULL checks. PR-URL: #27945 Reviewed-By: Gabriel Schulhof <gabriel.schulhof@intel.com>
1 parent f7d8384 commit c821eef

3 files changed

Lines changed: 172 additions & 11 deletions

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‎src/js_native_api_v8.cc‎

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -24,6 +24,9 @@
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RETURN_STATUS_IF_FALSE((env), \
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(len == NAPI_AUTO_LENGTH) || len <= INT_MAX, \
2626
napi_invalid_arg); \
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RETURN_STATUS_IF_FALSE((env), \
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(str) != nullptr, \
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napi_invalid_arg); \
2730
auto str_maybe = v8::String::NewFromUtf8( \
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(env)->isolate, (str), v8::NewStringType::kInternalized, \
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static_cast<int>(len)); \
@@ -768,6 +771,10 @@ napi_status napi_define_class(napi_env env,
768771
CHECK_ARG(env, result);
769772
CHECK_ARG(env, constructor);
770773

774+
if (property_count > 0) {
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CHECK_ARG(env, properties);
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}
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771778
v8::Isolate* isolate = env->isolate;
772779

773780
v8::EscapableHandleScope scope(isolate);

‎test/js-native-api/test_constructor/test.js‎

Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -48,3 +48,14 @@ assert.throws(() => { test_object.readonlyAccessor2 = 3; },
4848
// to the instance
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assert.strictEqual(TestConstructor.staticReadonlyAccessor1, 10);
5050
assert.strictEqual(test_object.staticReadonlyAccessor1, undefined);
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// Verify that passing NULL to napi_define_class() results in the correct
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// error.
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assert.deepStrictEqual(TestConstructor.TestDefineClass(), {
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envIsNull: 'pass',
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nameIsNull: 'pass',
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cbIsNull: 'pass',
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cbDataIsNull: 'pass',
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propertiesIsNull: 'pass',
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resultIsNull: 'pass'
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});

‎test/js-native-api/test_constructor/test_constructor.c‎

Lines changed: 154 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,140 @@
44
static double value_ = 1;
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static double static_value_ = 10;
66

7+
static napi_value TestDefineClass(napi_env env,
8+
napi_callback_info info) {
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napi_status ret[7];
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napi_value result, return_value, prop_value;
11+
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napi_property_descriptor property_descriptor = {
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"TestDefineClass",
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NULL,
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TestDefineClass,
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NULL,
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NULL,
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NULL,
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napi_enumerable | napi_static,
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NULL};
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ret[0] = napi_define_class(NULL,
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"TrackedFunction",
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NAPI_AUTO_LENGTH,
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TestDefineClass,
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NULL,
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1,
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&property_descriptor,
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&result);
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ret[1] = napi_define_class(env,
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NULL,
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NAPI_AUTO_LENGTH,
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TestDefineClass,
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NULL,
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1,
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&property_descriptor,
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&result);
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ret[2] = napi_define_class(env,
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"TrackedFunction",
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NAPI_AUTO_LENGTH,
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NULL,
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NULL,
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1,
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&property_descriptor,
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&result);
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ret[3] = napi_define_class(env,
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"TrackedFunction",
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NAPI_AUTO_LENGTH,
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TestDefineClass,
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NULL,
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1,
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&property_descriptor,
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&result);
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ret[4] = napi_define_class(env,
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"TrackedFunction",
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NAPI_AUTO_LENGTH,
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TestDefineClass,
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NULL,
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1,
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NULL,
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&result);
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ret[5] = napi_define_class(env,
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"TrackedFunction",
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NAPI_AUTO_LENGTH,
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TestDefineClass,
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NULL,
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1,
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&property_descriptor,
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NULL);
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NAPI_CALL(env, napi_create_object(env, &return_value));
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NAPI_CALL(env, napi_create_string_utf8(env,
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(ret[0] == napi_invalid_arg ?
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"pass" : "fail"),
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NAPI_AUTO_LENGTH,
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&prop_value));
83+
NAPI_CALL(env, napi_set_named_property(env,
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return_value,
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"envIsNull",
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prop_value));
87+
88+
NAPI_CALL(env, napi_create_string_utf8(env,
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(ret[1] == napi_invalid_arg ?
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"pass" : "fail"),
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NAPI_AUTO_LENGTH,
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&prop_value));
93+
NAPI_CALL(env, napi_set_named_property(env,
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return_value,
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"nameIsNull",
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prop_value));
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NAPI_CALL(env, napi_create_string_utf8(env,
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(ret[2] == napi_invalid_arg ?
100+
"pass" : "fail"),
101+
NAPI_AUTO_LENGTH,
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&prop_value));
103+
NAPI_CALL(env, napi_set_named_property(env,
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return_value,
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"cbIsNull",
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prop_value));
107+
108+
NAPI_CALL(env, napi_create_string_utf8(env,
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(ret[3] == napi_ok ?
110+
"pass" : "fail"),
111+
NAPI_AUTO_LENGTH,
112+
&prop_value));
113+
NAPI_CALL(env, napi_set_named_property(env,
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return_value,
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"cbDataIsNull",
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prop_value));
117+
118+
NAPI_CALL(env, napi_create_string_utf8(env,
119+
(ret[4] == napi_invalid_arg ?
120+
"pass" : "fail"),
121+
NAPI_AUTO_LENGTH,
122+
&prop_value));
123+
NAPI_CALL(env, napi_set_named_property(env,
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return_value,
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"propertiesIsNull",
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prop_value));
127+
128+
NAPI_CALL(env, napi_create_string_utf8(env,
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(ret[5] == napi_invalid_arg ?
130+
"pass" : "fail"),
131+
NAPI_AUTO_LENGTH,
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&prop_value));
133+
NAPI_CALL(env, napi_set_named_property(env,
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return_value,
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"resultIsNull",
136+
prop_value));
137+
138+
return return_value;
139+
}
140+
7141
static napi_value GetValue(napi_env env, napi_callback_info info) {
8142
size_t argc = 0;
9143
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, NULL, NULL, NULL));
@@ -74,17 +208,26 @@ napi_value Init(napi_env env, napi_value exports) {
74208
env, "MyObject_Extra", 8, NewExtra, NULL, 0, NULL, &cons));
75209

76210
napi_property_descriptor properties[] = {
77-
{ "echo", 0, Echo, 0, 0, 0, napi_enumerable, 0 },
78-
{ "readwriteValue", 0, 0, 0, 0, number, napi_enumerable | napi_writable, 0 },
79-
{ "readonlyValue", 0, 0, 0, 0, number, napi_enumerable, 0},
80-
{ "hiddenValue", 0, 0, 0, 0, number, napi_default, 0},
81-
{ "readwriteAccessor1", 0, 0, GetValue, SetValue, 0, napi_default, 0},
82-
{ "readwriteAccessor2", 0, 0, GetValue, SetValue, 0, napi_writable, 0},
83-
{ "readonlyAccessor1", 0, 0, GetValue, NULL, 0, napi_default, 0},
84-
{ "readonlyAccessor2", 0, 0, GetValue, NULL, 0, napi_writable, 0},
85-
{ "staticReadonlyAccessor1", 0, 0, GetStaticValue, NULL, 0,
86-
napi_default | napi_static, 0},
87-
{ "constructorName", 0, 0, 0, 0, cons, napi_enumerable | napi_static, 0 },
211+
{ "echo", NULL, Echo, NULL, NULL, NULL, napi_enumerable, NULL },
212+
{ "readwriteValue", NULL, NULL, NULL, NULL, number,
213+
napi_enumerable | napi_writable, NULL },
214+
{ "readonlyValue", NULL, NULL, NULL, NULL, number, napi_enumerable,
215+
NULL },
216+
{ "hiddenValue", NULL, NULL, NULL, NULL, number, napi_default, NULL },
217+
{ "readwriteAccessor1", NULL, NULL, GetValue, SetValue, NULL, napi_default,
218+
NULL },
219+
{ "readwriteAccessor2", NULL, NULL, GetValue, SetValue, NULL,
220+
napi_writable, NULL },
221+
{ "readonlyAccessor1", NULL, NULL, GetValue, NULL, NULL, napi_default,
222+
NULL },
223+
{ "readonlyAccessor2", NULL, NULL, GetValue, NULL, NULL, napi_writable,
224+
NULL },
225+
{ "staticReadonlyAccessor1", NULL, NULL, GetStaticValue, NULL, NULL,
226+
napi_default | napi_static, NULL},
227+
{ "constructorName", NULL, NULL, NULL, NULL, cons,
228+
napi_enumerable | napi_static, NULL },
229+
{ "TestDefineClass", NULL, TestDefineClass, NULL, NULL, NULL,
230+
napi_enumerable | napi_static, NULL },
88231
};
89232

90233
NAPI_CALL(env, napi_define_class(env, "MyObject", NAPI_AUTO_LENGTH, New,

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