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#![cfg(any(feature = "ring", feature = "aws-lc-rs"))]
use core::time::Duration;
use std::collections::HashMap;
use std::fs::File;
use base64::{Engine as _, engine::general_purpose};
use bzip2::read::BzDecoder;
use pki_types::{
CertificateDer, ServerName, SignatureVerificationAlgorithm, TrustAnchor, UnixTime,
};
use serde::Deserialize;
use webpki::{KeyUsage, anchor_from_trusted_cert};
// All of the BetterTLS testcases use P256 keys.
static ALGS: &[&dyn SignatureVerificationAlgorithm] = &[
#[cfg(feature = "ring")]
webpki::ring::ECDSA_P256_SHA256,
#[cfg(feature = "aws-lc-rs")]
webpki::aws_lc_rs::ECDSA_P256_SHA256,
];
#[ignore] // Runs slower than other unit tests - opt-in with `cargo test -- --include-ignored`
#[test]
fn path_building() {
let better_tls = testdata();
let root_der = &better_tls.root_der();
let root_der = CertificateDer::from(root_der.as_slice());
let roots = &[anchor_from_trusted_cert(&root_der).expect("invalid trust anchor")];
let suite = "pathbuilding";
run_testsuite(
suite,
better_tls
.suites
.get(suite)
.unwrap_or_else(|| panic!("missing {suite} suite")),
roots,
);
}
#[ignore] // Runs slower than other unit tests - opt-in with `cargo test -- --include-ignored`
#[test]
fn name_constraints() {
let better_tls = testdata();
let root_der = &better_tls.root_der();
let root_der = CertificateDer::from(root_der.as_slice());
let roots = &[anchor_from_trusted_cert(&root_der).expect("invalid trust anchor")];
let suite = "nameconstraints";
run_testsuite(
suite,
better_tls
.suites
.get(suite)
.unwrap_or_else(|| panic!("missing {suite} suite")),
roots,
);
}
fn run_testsuite(suite_name: &str, suite: &BetterTlsSuite, roots: &[TrustAnchor]) {
for testcase in &suite.test_cases {
println!("Testing {suite_name} test case {}", testcase.id);
let certs_der = testcase.certs_der();
let ee_der = CertificateDer::from(certs_der[0].as_slice());
let intermediates = &certs_der[1..]
.iter()
.map(|cert| CertificateDer::from(cert.as_slice()))
.collect::<Vec<_>>();
let ee_cert = webpki::EndEntityCert::try_from(&ee_der).expect("invalid end entity cert");
// Set the time to the time of test case generation. This ensures that the test case
// certificates won't expire.
let now = UnixTime::since_unix_epoch(Duration::from_secs(1_691_788_832));
let result = ee_cert
.verify_for_usage(
ALGS,
roots,
intermediates,
now,
KeyUsage::server_auth(),
None,
None,
)
.and_then(|_| {
ee_cert.verify_is_valid_for_subject_name(
&ServerName::try_from(testcase.hostname.as_str())
.expect("invalid testcase hostname"),
)
});
match testcase.expected {
ExpectedResult::Accept => assert!(result.is_ok(), "expected success, got {result:?}"),
ExpectedResult::Reject => {
assert!(result.is_err(), "expected failure, got {result:?}")
}
}
}
}
fn testdata() -> BetterTls {
let mut data_file = File::open(concat!(env!("SOURCEPACKAGEDIR"),"third-party/bettertls/bettertls.tests.json.bz2"))
.expect("failed to open data file");
let decompressor = BzDecoder::new(&mut data_file);
let better_tls: BetterTls = serde_json::from_reader(decompressor).expect("invalid test JSON");
println!("Testing BetterTLS revision {:?}", better_tls.revision);
better_tls
}
#[derive(Deserialize, Debug)]
struct BetterTls {
#[serde(rename(deserialize = "betterTlsRevision"))]
revision: String,
#[serde(rename(deserialize = "trustRoot"))]
root: String,
suites: HashMap<String, BetterTlsSuite>,
}
impl BetterTls {
fn root_der(&self) -> Vec<u8> {
general_purpose::STANDARD
.decode(&self.root)
.expect("invalid trust anchor base64")
}
}
#[derive(Deserialize, Debug)]
struct BetterTlsSuite {
#[serde(rename(deserialize = "testCases"))]
test_cases: Vec<BetterTlsTest>,
}
#[derive(Deserialize, Debug)]
struct BetterTlsTest {
id: u32,
certificates: Vec<String>,
hostname: String,
expected: ExpectedResult,
}
impl BetterTlsTest {
fn certs_der(&self) -> Vec<Vec<u8>> {
self.certificates
.iter()
.map(|cert| {
general_purpose::STANDARD
.decode(cert)
.expect("invalid cert base64")
})
.collect()
}
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "UPPERCASE")]
enum ExpectedResult {
Accept,
Reject,
}
|
