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Add DNS SOA record parsing and serialization

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Fixes #48
This commit is contained in:
Matias Fontanini
2016-01-14 12:18:43 -08:00
parent ca56cc10dd
commit ced645fb02
4 changed files with 423 additions and 14 deletions
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80
tests/src/dns.cpp
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@@ -473,3 +473,83 @@ TEST_F(DNSTest, MXPreferenceField) {
EXPECT_EQ(42, resource.preference());
EXPECT_EQ("example.com", resource.dname());
}
TEST_F(DNSTest, SOARecordConstructor) {
DNS::soa_record r(
"hehehehe.example.com",
"john.example.com",
0x9823ade9,
0x918273aa,
0x827361ad,
0x8ad71928,
0x1ad92871
);
EXPECT_EQ("hehehehe.example.com", r.mname());
EXPECT_EQ("john.example.com", r.rname());
EXPECT_EQ(0x9823ade9, r.serial());
EXPECT_EQ(0x918273aa, r.refresh());
EXPECT_EQ(0x827361ad, r.retry());
EXPECT_EQ(0x8ad71928, r.expire());
EXPECT_EQ(0x1ad92871, r.minimum_ttl());
}
TEST_F(DNSTest, SOARecordGettersAndSetters) {
DNS::soa_record r;
r.mname("hehehehe.example.com");
r.rname("john.example.com");
r.serial(0x9823ade9);
r.refresh(0x918273aa);
r.retry(0x827361ad);
r.expire(0x8ad71928);
r.minimum_ttl(0x1ad92871);
EXPECT_EQ("hehehehe.example.com", r.mname());
EXPECT_EQ("john.example.com", r.rname());
EXPECT_EQ(0x9823ade9, r.serial());
EXPECT_EQ(0x918273aa, r.refresh());
EXPECT_EQ(0x827361ad, r.retry());
EXPECT_EQ(0x8ad71928, r.expire());
EXPECT_EQ(0x1ad92871, r.minimum_ttl());
}
TEST_F(DNSTest, SOARecordFromBuffer) {
const uint8_t raw[] = {
232, 101, 129, 128, 0, 1, 0, 1, 0, 0, 0, 0, 6, 103, 111, 111, 103, 108,
101, 3, 99, 111, 109, 0, 0, 6, 0, 1, 192, 12, 0, 6, 0, 1, 0, 0, 0, 59,
0, 38, 3, 110, 115, 50, 192, 12, 9, 100, 110, 115, 45, 97, 100, 109, 105,
110, 192, 12, 6, 174, 163, 84, 0, 0, 3, 132, 0, 0, 3, 132, 0, 0, 7, 8, 0,
0, 0, 60
};
DNS dns(raw, sizeof(raw));
ASSERT_EQ(1, dns.answers().size());
DNS::Resource r(dns.answers().front());
DNS::soa_record soa(r);
EXPECT_EQ("ns2.google.com", soa.mname());
EXPECT_EQ("dns-admin.google.com", soa.rname());
EXPECT_EQ(112108372, soa.serial());
EXPECT_EQ(900, soa.refresh());
EXPECT_EQ(900, soa.retry());
EXPECT_EQ(1800, soa.expire());
EXPECT_EQ(60, soa.minimum_ttl());
}
TEST_F(DNSTest, SOARecordSerialize) {
DNS::soa_record r1;
r1.mname("hehehehe.example.com");
r1.rname("john.example.com");
r1.serial(0x9823ade9);
r1.refresh(0x918273aa);
r1.retry(0x827361ad);
r1.expire(0x8ad71928);
r1.minimum_ttl(0x1ad92871);
DNS::serialization_type buffer = r1.serialize();
DNS::soa_record r2(&buffer[0], buffer.size());
EXPECT_EQ("hehehehe.example.com", r2.mname());
EXPECT_EQ("john.example.com", r2.rname());
EXPECT_EQ(0x9823ade9, r2.serial());
EXPECT_EQ(0x918273aa, r2.refresh());
EXPECT_EQ(0x827361ad, r2.retry());
EXPECT_EQ(0x8ad71928, r2.expire());
EXPECT_EQ(0x1ad92871, r2.minimum_ttl());
}