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ALPN support, based on mod_spdy/mod_h2 patch set

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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1670397 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jim Jagielski
2015-03-31 17:12:51 +00:00
parent 5524cbd29b
commit 17565ac48c
5 changed files with 161 additions and 0 deletions
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41
modules/ssl/mod_ssl.h
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@@ -128,5 +128,46 @@ APR_DECLARE_OPTIONAL_FN(int, modssl_register_npn, (conn_rec *conn,
ssl_npn_advertise_protos advertisefn,
ssl_npn_proto_negotiated negotiatedfn));
/** The alpn_propose_proto callback allows other modules to propose
* the name of the protocol that will be chosen during the
* Application-Layer Protocol Negotiation (ALPN) portion of the SSL handshake.
* The callback is given the connection and a list of NULL-terminated
* protocol strings as supported by the client. If this client_protos is
* non-empty, it must pick its preferred protocol from that list. Otherwise
* it should add its supported protocols in order of precedence.
* The callback should not yet modify the connection or install any filters
* as its proposal(s) may be overridden by another callback or server
* configuration.
* It should return OK or, to prevent further processing of (other modules')
* callbacks, return DONE.
*/
typedef int (*ssl_alpn_propose_protos)(conn_rec *connection,
apr_array_header_t *client_protos,
apr_array_header_t *proposed_protos);
/** The alpn_proto_negotiated callback allows other modules to discover
* the name of the protocol that was chosen during the Application-Layer
* Protocol Negotiation (ALPN) portion of the SSL handshake.
* The callback is given the connection, a
* non-NUL-terminated string containing the protocol name, and the
* length of the string; it should do something appropriate
* (i.e. insert or remove filters) and return OK. To prevent further
* processing of (other modules') callbacks, return DONE. */
typedef int (*ssl_alpn_proto_negotiated)(conn_rec *connection,
const char *proto_name,
apr_size_t proto_name_len);
/* An optional function which can be used to register a pair of callbacks
* for ALPN handling.
* This optional function should be invoked from a pre_connection hook
* which runs *after* mod_ssl.c's pre_connection hook. The function returns
* OK if the callbacks are registered, or DECLINED otherwise (for example if
* mod_ssl does not support ALPN).
*/
APR_DECLARE_OPTIONAL_FN(int, modssl_register_alpn,
(conn_rec *conn,
ssl_alpn_propose_protos proposefn,
ssl_alpn_proto_negotiated negotiatedfn));
#endif /* __MOD_SSL_H__ */
/** @} */