Commit be5acfc3 authored by jan.koester's avatar jan.koester
Browse files

alpn set added

parent 3b200727

src/httpd.cpp

+25 −0
Changes for src/httpd.cpp: 25 added lines, 0 removed lines.
Original line number Diff line number Diff line
@@ -114,6 +114,31 @@ void libhttppp::Http3QuicSocket::sendControlStreams() { 
    sendStreamData(dec_id, dec_data, false);

}



// ============================================================================

// TLS 1.3: ALPN extension (0x0010) for the QUIC EncryptedExtensions message

// ============================================================================



std::vector<uint8_t> libhttppp::Http3QuicSocket::buildAlpnExtension(const std::string& alpn) {

    std::vector<uint8_t> ext_data;

    if (alpn.empty()) return ext_data;



    ext_data.push_back(0x00);

    ext_data.push_back(0x10);  // ALPN extension type

    // Extension length: 2 (list len) + 1 (proto len) + proto.size()

    size_t alpn_ext_len = 2 + 1 + alpn.size();

    ext_data.push_back(static_cast<uint8_t>(alpn_ext_len >> 8));

    ext_data.push_back(static_cast<uint8_t>(alpn_ext_len));

    // ALPN list length

    size_t alpn_list_len = 1 + alpn.size();

    ext_data.push_back(static_cast<uint8_t>(alpn_list_len >> 8));

    ext_data.push_back(static_cast<uint8_t>(alpn_list_len));

    // Protocol length and value

    ext_data.push_back(static_cast<uint8_t>(alpn.size()));

    ext_data.insert(ext_data.end(), alpn.begin(), alpn.end());



    return ext_data;

}



static std::string h2BuildFrame(uint8_t type, uint8_t flags, uint32_t stream_id,

                                const std::string &payload) {

    std::string f(9 + payload.size(), '\0');

src/httpd.h

+1 −0
Changes for src/httpd.h: 1 added line, 0 removed lines.
Original line number Diff line number Diff line
@@ -177,6 +177,7 @@ namespace libhttppp { 
    public:

        using netplus::quic::quic;

        void sendControlStreams() override;

        std::vector<uint8_t> buildAlpnExtension(const std::string& alpn) override;

    private:

        bool _ctrlStreamsSent = false;

    };