colin/hickory-dns
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

recursor_test: backfill a test which follows CNAMEs across zones

Browse Source
This commit is contained in:
Colin 2024-05-10 04:33:31 +00:00
parent fd265a9ae4
commit 999cdf4950
1 changed files with 57 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
tests/integration-tests/tests/recursor_tests.rs
View File

@ -39,6 +39,7 @@ use hickory_server::store::in_memory::InMemoryAuthority;
const NS_ROOT: IpAddr = IpAddr::V4(Ipv4Addr::new(10, 0, 0, 1));
const NS_TLDS: IpAddr = IpAddr::V4(Ipv4Addr::new(10, 0, 0, 2));
const NS_IANA: IpAddr = IpAddr::V4(Ipv4Addr::new(10, 0, 0, 3));
const NS_ORG: IpAddr = IpAddr::V4(Ipv4Addr::new(10, 0, 0, 4));
const ZONE_ROOT: &str = r#"
@ -56,6 +57,9 @@ com NS a.gtld-servers.net.
a.gtld-servers.net A 10.0.0.2
net NS a.gtld-servers.net.
org NS b0.org.afilias-nst.org.
b0.org.afilias-nst.org. A 10.0.0.4
"#;
const ZONE_TLDS: &str = r#"
@ -68,6 +72,7 @@ const ZONE_TLDS: &str = r#"
com. TXT my-text-record
example.com. NS a.iana-servers.net.
example.org. NS a.iana-servers.net.
iana-servers.net. NS a.iana-servers.net.
a.iana-servers.net. A 10.0.0.3
"#;
@ -96,6 +101,24 @@ example.com. A 10.0.100.1
www.example.com. A 10.0.100.1
cname.sub.example.com. CNAME www.example.com.
cname.example.com. CNAME www.example.com.
org-cname.example.com. CNAME example.org.
"#;
const ZONE_ORG: &str = r#"
@ IN SOA a0.org.afilias-nst.info. hostmaster.donuts.email. 20 7200 600 3600000 60
example.org. NS a.iana-servers.net.
"#;
const ZONE_EXAMPLE_ORG: &str = r#"
@ IN SOA a.iana-servers.net. noc.dns.icann.org. (
20 ; SERIAL
7200 ; REFRESH
600 ; RETRY
3600000; EXPIRE
60) ; MINIMUM
example.org. A 10.0.100.2
"#;
type HardcodedNameServer = NameServer<HardcodedConnProvider>;
@ -201,6 +224,10 @@ fn make_catalog_for(nameserver: SocketAddr) -> Catalog {
s if s == SocketAddr::new(NS_IANA, 53) => vec![
("iana-servers.net.", ZONE_IANA),
("example.com.", ZONE_EXAMPLE_COM),
("example.org.", ZONE_EXAMPLE_ORG),
],
s if s == SocketAddr::new(NS_ORG, 53) => vec![
("org.", ZONE_ORG),
],
ns => panic!("unexpected nameserver {:?}", ns),
};
@ -456,3 +483,33 @@ fn test_cname_queried_as_v4() {
assert_eq!(&*lookup.records().to_vec(), &expected_records);
}
/// Follow a CNAME from one zone to another, but where the target is still served by the same NS.
#[test]
fn test_cname_to_other_zone() {
logger("DEBUG");
let query = Query::query(Name::from_str("org-cname.example.com.").unwrap(), RecordType::A);
let expected_records = [
cname_record(
Name::from_str("org-cname.example.com.").unwrap(),
Name::from_str("example.org.").unwrap(),
),
v4_record(
Name::from_str("example.org.").unwrap(),
Ipv4Addr::new(10, 0, 100, 2),
),
];
let roots = NameServerPool::from_nameservers(
Default::default(),
vec![mock_nameserver(NS_ROOT)],
vec![],
);
let recursor = Recursor::new_with_pool(roots, 1024, 1048576).unwrap();
let now = Instant::now();
let lookup = block_on(recursor.resolve(query, now)).unwrap();
assert_eq!(&*lookup.records().to_vec(), &expected_records);
}