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LibTLS: Refactor CA loading into central function

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This commit is contained in:
Fabian Dellwing 2023-03-27 19:28:27 +02:00 committed by Andrew Kaster
parent 924758c6f8
commit 459dee1f86
3 changed files with 20 additions and 52 deletions
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43
Tests/LibTLS/TestTLSHandshake.cpp
View file

@ -40,46 +40,9 @@ DeprecatedString locate_ca_certs_file()
Vector<Certificate> load_certificates()
{
Vector<Certificate> certificates;
auto cacert_result = Core::File::open(locate_ca_certs_file(), Core::File::OpenMode::Read);
if (cacert_result.is_error()) {
dbgln("Failed to load CA Certificates: {}", cacert_result.error());
return certificates;
}
auto cacert_file = cacert_result.release_value();
auto data_result = cacert_file->read_until_eof();
if (data_result.is_error()) {
dbgln("Failed to load CA Certificates: {}", data_result.error());
return certificates;
}
auto data = data_result.release_value();
auto decode_result = Crypto::decode_pems(data);
if (decode_result.is_error()) {
dbgln("Failed to load CA Certificates: {}", decode_result.error());
return certificates;
}
auto certs = decode_result.release_value();
for (auto& cert : certs) {
auto certificate_result = Certificate::parse_asn1(cert.bytes());
// If the certificate does not parse it is likely using elliptic curve keys/signatures, which are not
// supported right now. It might make sense to cleanup cacert.pem before adding it to the system.
if (!certificate_result.has_value()) {
// FIXME: It would be nice to have more informations about the certificate we failed to parse.
// Like: Issuer, Algorithm, CN, etc
continue;
}
auto certificate = certificate_result.release_value();
if (certificate.is_certificate_authority && certificate.is_self_signed()) {
certificates.append(move(certificate));
} else {
dbgln("Skipped '{}' because it is not a valid root CA", certificate.subject_identifier_string());
}
}
return certificates;
auto cacert_file = MUST(Core::File::open(locate_ca_certs_file(), Core::File::OpenMode::Read));
auto data = MUST(cacert_file->read_until_eof());
return MUST(DefaultRootCACertificates::the().reload_certificates(data));
}
static Vector<Certificate> s_root_ca_certificates = load_certificates();

2
Userland/Libraries/LibTLS/Certificate.h
View file

@ -137,7 +137,7 @@ public:
Vector<Certificate> const& certificates() const { return m_ca_certificates; }
void reload_certificates(ByteBuffer&);
ErrorOr<Vector<Certificate>> reload_certificates(ByteBuffer&);
static DefaultRootCACertificates& the() { return s_the; }

27
Userland/Libraries/LibTLS/TLSv12.cpp
View file

@ -499,18 +499,21 @@ DefaultRootCACertificates::DefaultRootCACertificates()
return;
}
auto data = data_result.release_value();
reload_certificates(data);
}
void DefaultRootCACertificates::reload_certificates(ByteBuffer& data)
{
auto decode_result = Crypto::decode_pems(data);
if (decode_result.is_error()) {
dbgln("Failed to load CA Certificates: {}", decode_result.error());
auto reload_result = reload_certificates(data);
if (reload_result.is_error()) {
dbgln("Failed to load CA Certificates: {}", reload_result.error());
return;
}
m_ca_certificates.clear();
auto certs = decode_result.release_value();
m_ca_certificates = reload_result.release_value();
}
ErrorOr<Vector<Certificate>> DefaultRootCACertificates::reload_certificates(ByteBuffer& data)
{
Vector<Certificate> certificates;
auto certs = TRY(Crypto::decode_pems(data));
for (auto& cert : certs) {
auto certificate_result = Certificate::parse_asn1(cert.bytes());
@ -523,12 +526,14 @@ void DefaultRootCACertificates::reload_certificates(ByteBuffer& data)
}
auto certificate = certificate_result.release_value();
if (certificate.is_certificate_authority && certificate.is_self_signed()) {
m_ca_certificates.append(move(certificate));
TRY(certificates.try_append(move(certificate)));
} else {
dbgln("Skipped '{}' because it is not a valid root CA", certificate.subject_identifier_string());
}
}
dbgln("Loaded {} of {} ({:.2}%) provided CA Certificates", m_ca_certificates.size(), certs.size(), (m_ca_certificates.size() * 100.0) / certs.size());
dbgln("Loaded {} of {} ({:.2}%) provided CA Certificates", certificates.size(), certs.size(), (certificates.size() * 100.0) / certs.size());
return certificates;
}
}