| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stdint.h> |
| |
| #include "base/macros.h" |
| #include "net/der/parse_values.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace net { |
| namespace der { |
| namespace test { |
| |
| TEST(ParseValuesTest, ParseBool) { |
| uint8_t buf[] = {0xFF, 0x00}; |
| Input value(buf, 1); |
| bool out; |
| EXPECT_TRUE(ParseBool(value, &out)); |
| EXPECT_TRUE(out); |
| |
| buf[0] = 0; |
| EXPECT_TRUE(ParseBool(value, &out)); |
| EXPECT_FALSE(out); |
| |
| buf[0] = 1; |
| EXPECT_FALSE(ParseBool(value, &out)); |
| EXPECT_TRUE(ParseBoolRelaxed(value, &out)); |
| EXPECT_TRUE(out); |
| |
| buf[0] = 0xFF; |
| value = Input(buf, 2); |
| EXPECT_FALSE(ParseBool(value, &out)); |
| value = Input(buf, 0); |
| EXPECT_FALSE(ParseBool(value, &out)); |
| } |
| |
| TEST(ParseValuesTest, ParseTimes) { |
| GeneralizedTime out; |
| |
| EXPECT_TRUE(ParseUTCTime(Input("140218161200Z"), &out)); |
| |
| // DER-encoded UTCTime must end with 'Z'. |
| EXPECT_FALSE(ParseUTCTime(Input("140218161200X"), &out)); |
| |
| // Check that a negative number (-4 in this case) doesn't get parsed as |
| // a 2-digit number. |
| EXPECT_FALSE(ParseUTCTime(Input("-40218161200Z"), &out)); |
| |
| // Check that numbers with a leading 0 don't get parsed in octal by making |
| // the second digit an invalid octal digit (e.g. 09). |
| EXPECT_TRUE(ParseUTCTime(Input("090218161200Z"), &out)); |
| |
| // Check that the length is validated. |
| EXPECT_FALSE(ParseUTCTime(Input("140218161200"), &out)); |
| EXPECT_FALSE(ParseUTCTime(Input("140218161200Z0"), &out)); |
| EXPECT_FALSE(ParseUTCTimeRelaxed(Input("140218161200"), &out)); |
| EXPECT_FALSE(ParseUTCTimeRelaxed(Input("140218161200Z0"), &out)); |
| |
| // Check strictness of UTCTime parsers. |
| EXPECT_FALSE(ParseUTCTime(Input("1402181612Z"), &out)); |
| EXPECT_TRUE(ParseUTCTimeRelaxed(Input("1402181612Z"), &out)); |
| |
| // Check that the time ends in Z. |
| EXPECT_FALSE(ParseUTCTimeRelaxed(Input("1402181612Z0"), &out)); |
| |
| // Check format of GeneralizedTime. |
| |
| // Leap seconds are allowed. |
| EXPECT_TRUE(ParseGeneralizedTime(Input("20140218161260Z"), &out)); |
| |
| // But nothing larger than a leap second. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140218161261Z"), &out)); |
| |
| // Minutes only go up to 59. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140218166000Z"), &out)); |
| |
| // Hours only go up to 23. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140218240000Z"), &out)); |
| // The 0th day of a month is invalid. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140200161200Z"), &out)); |
| // The 0th month is invalid. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140018161200Z"), &out)); |
| // Months greater than 12 are invalid. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20141318161200Z"), &out)); |
| |
| // Some months have 31 days. |
| EXPECT_TRUE(ParseGeneralizedTime(Input("20140131000000Z"), &out)); |
| |
| // September has only 30 days. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140931000000Z"), &out)); |
| |
| // February has only 28 days... |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140229000000Z"), &out)); |
| |
| // ... unless it's a leap year. |
| EXPECT_TRUE(ParseGeneralizedTime(Input("20160229000000Z"), &out)); |
| |
| // There aren't any leap days in years divisible by 100... |
| EXPECT_FALSE(ParseGeneralizedTime(Input("21000229000000Z"), &out)); |
| |
| // ...unless it's also divisible by 400. |
| EXPECT_TRUE(ParseGeneralizedTime(Input("20000229000000Z"), &out)); |
| |
| // Check more perverse invalid inputs. |
| |
| const uint8_t trailing_null_bytes[] = {'2', |
| '0', |
| '0', |
| '0', |
| '1', |
| '2', |
| '3', |
| '1', |
| '0', |
| '1', |
| '0', |
| '2', |
| '0', |
| '3', |
| 'Z', |
| '\0'}; |
| Input trailing_null(trailing_null_bytes, sizeof(trailing_null_bytes)); |
| EXPECT_FALSE(ParseGeneralizedTime(trailing_null, &out)); |
| const uint8_t embedded_null_bytes[] = {'2', |
| '0', |
| '0', |
| '\0', |
| '1', |
| '2', |
| '3', |
| '1', |
| '0', |
| '1', |
| '0', |
| '2', |
| '0', |
| '3', |
| 'Z'}; |
| Input embedded_null(embedded_null_bytes, sizeof(embedded_null_bytes)); |
| EXPECT_FALSE(ParseGeneralizedTime(embedded_null, &out)); |
| |
| // The year can't be in hex. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("0x201231000000Z"), &out)); |
| |
| // The last byte must be 'Z'. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20001231000000X"), &out)); |
| |
| // Check that the length is validated. |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140218161200"), &out)); |
| EXPECT_FALSE(ParseGeneralizedTime(Input("20140218161200Z0"), &out)); |
| } |
| |
| TEST(ParseValuesTest, TimesCompare) { |
| GeneralizedTime time1; |
| GeneralizedTime time2; |
| GeneralizedTime time3; |
| |
| ASSERT_TRUE(ParseGeneralizedTime(Input("20140218161200Z"), &time1)); |
| ASSERT_TRUE(ParseUTCTime(Input("150218161200Z"), &time2)); |
| ASSERT_TRUE(ParseGeneralizedTime(Input("20160218161200Z"), &time3)); |
| EXPECT_TRUE(time1 < time2); |
| EXPECT_TRUE(time2 < time3); |
| EXPECT_TRUE(time1 < time3); |
| } |
| |
| struct Uint64TestData { |
| bool should_pass; |
| const uint8_t input[9]; |
| size_t length; |
| uint64_t expected_value; |
| }; |
| |
| const Uint64TestData kUint64TestData[] = { |
| {true, {0x00}, 1, 0}, |
| {true, {0x01}, 1, 1}, |
| {false, {0xFF}, 1, 0}, |
| {true, {0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, 8, INT64_MAX}, |
| {false, {0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 8, 0}, |
| {false, {0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, 9, 0}, |
| {false, {0x00, 0x01}, 2, 1}, |
| {false, {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09}, 9, 0}, |
| {false, {0}, 0, 0}, |
| }; |
| |
| TEST(ParseValuesTest, ParseUint64) { |
| for (size_t i = 0; i < arraysize(kUint64TestData); i++) { |
| Uint64TestData test_case = kUint64TestData[i]; |
| SCOPED_TRACE(i); |
| |
| uint64_t result; |
| EXPECT_EQ(test_case.should_pass, |
| ParseUint64(Input(test_case.input, test_case.length), &result)); |
| if (test_case.should_pass) |
| EXPECT_EQ(test_case.expected_value, result); |
| } |
| } |
| |
| } // namespace test |
| } // namespace der |
| } // namespace net |