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LibTLS: Make the TLS connection options user-configurable

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The user may now request specific cipher suites, the use of SNI, and
whether we should validate certificates (not that we're doing a good job
of that).
This commit is contained in:
AnotherTest 2021-02-07 07:21:32 +03:30 • committed by Andreas Kling
parent b5f24c84e4
commit 2020176f0f
7 changed files with 60 additions and 29 deletions
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9
Userland/Libraries/LibTLS/Exchange.cpp
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@ -128,7 +128,8 @@ void TLSv12::pseudorandom_function(Bytes output, ReadonlyBytes secret, const u8*
auto label_seed_buffer = Bytes { l_seed, l_seed_size };
label_seed_buffer.overwrite(0, label, label_length);
label_seed_buffer.overwrite(label_length, seed.data(), seed.size());
label_seed_buffer.overwrite(label_length + seed.size(), seed_b.data(), seed_b.size());
if (seed_b.size() > 0)
label_seed_buffer.overwrite(label_length + seed.size(), seed_b.data(), seed_b.size());
auto digest_size = hmac.digest_size();
@ -182,7 +183,7 @@ bool TLSv12::compute_master_secret(size_t length)
ByteBuffer TLSv12::build_certificate()
{
PacketBuilder builder { MessageType::Handshake, m_context.version };
PacketBuilder builder { MessageType::Handshake, m_context.options.version };
Vector<const Certificate*> certificates;
Vector<Certificate>* local_certificates = nullptr;
@ -237,7 +238,7 @@ ByteBuffer TLSv12::build_certificate()
ByteBuffer TLSv12::build_change_cipher_spec()
{
PacketBuilder builder { MessageType::ChangeCipher, m_context.version, 64 };
PacketBuilder builder { MessageType::ChangeCipher, m_context.options.version, 64 };
builder.append((u8)1);
auto packet = builder.build();
update_packet(packet);
@ -253,7 +254,7 @@ ByteBuffer TLSv12::build_server_key_exchange()
ByteBuffer TLSv12::build_client_key_exchange()
{
PacketBuilder builder { MessageType::Handshake, m_context.version };
PacketBuilder builder { MessageType::Handshake, m_context.options.version };
builder.append((u8)HandshakeType::ClientKeyExchange);
build_random(builder);