diff options
author | Timur Pocheptsov <timur.pocheptsov@theqtcompany.com> | 2016-02-19 15:06:37 +0100 |
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committer | Timur Pocheptsov <timur.pocheptsov@theqtcompany.com> | 2016-03-21 15:01:12 +0000 |
commit | 765eab51036040d0659bc96bfdc1bbf991877862 (patch) | |
tree | 33087b5d61a031d47e75c7c538d2594cc136dff1 /src/network/ssl/qsslcontext_openssl.cpp | |
parent | fb6000a74f57bd3c096f6a10142477bf2faf0ff2 (diff) |
qsslsocket/qsslcontext - add ALPN (OpenSSL only)
Application-Layer Protocol Negotiation (ALPN) - is a reworked revision
of Next Protocol Negotiation (NPN) we have in our OpenSSL code.
Can be used as a part of HTTP2 negotiation during TLS handshake.
Change-Id: I484ec528c81d4887a64749095ec292dfaec18330
Reviewed-by: Richard J. Moore <rich@kde.org>
Diffstat (limited to 'src/network/ssl/qsslcontext_openssl.cpp')
-rw-r--r-- | src/network/ssl/qsslcontext_openssl.cpp | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/network/ssl/qsslcontext_openssl.cpp b/src/network/ssl/qsslcontext_openssl.cpp index b3786f989e..543e87c0ca 100644 --- a/src/network/ssl/qsslcontext_openssl.cpp +++ b/src/network/ssl/qsslcontext_openssl.cpp @@ -457,7 +457,25 @@ SSL* QSslContext::createSsl() m_npnContext.data = reinterpret_cast<unsigned char *>(m_supportedNPNVersions.data()); m_npnContext.len = m_supportedNPNVersions.count(); m_npnContext.status = QSslConfiguration::NextProtocolNegotiationNone; - q_SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &m_npnContext); +#if OPENSSL_VERSION_NUMBER >= 0x10002000L + if (q_SSLeay() >= 0x10002000L) { + // Callback's type has a parameter 'const unsigned char ** out' + // since it was introduced in 1.0.2. Internally, OpenSSL's own code + // (tests/examples) cast it to unsigned char * (since it's 'out'). + // We just re-use our NPN callback and cast here: + typedef int (*alpn_callback_t) (SSL *, const unsigned char **, unsigned char *, + const unsigned char *, unsigned int, void *); + // With ALPN callback is for a server side only, for a client m_npnContext.status + // will stay in NextProtocolNegotiationNone. + q_SSL_CTX_set_alpn_select_cb(ctx, alpn_callback_t(next_proto_cb), &m_npnContext); + // Client: + q_SSL_set_alpn_protos(ssl, m_npnContext.data, m_npnContext.len); + } else { +#else + { +#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L ... + q_SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &m_npnContext); + } } #endif // OPENSSL_VERSION_NUMBER >= 0x1000100fL ... |