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Added API to save and restore session parameters (for controllable session resumption on the client side).

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This commit is contained in:
Thomas Pornin 2016-11-20 20:14:48 +01:00
parent d16eee962a
commit ab68048011
4 changed files with 219 additions and 169 deletions
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32
inc/bearssl_ssl.h
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@ -544,13 +544,6 @@ typedef struct {
*/
unsigned char client_random[32];
unsigned char server_random[32];
/* obsolete
unsigned char session_id[32];
unsigned char session_id_len;
uint16_t version;
uint16_t cipher_suite;
unsigned char master_secret[48];
*/
br_ssl_session_parameters session;
/*
@ -926,6 +919,31 @@ br_ssl_engine_get_server_name(br_ssl_engine_context *cc)
return cc->server_name;
}
/*
* Get a copy of the session parameters. The session parameters are
* filled during the handshake, so this function shall not be called
* before completion of the handshake.
*/
static inline void
br_ssl_engine_get_session_parameters(const br_ssl_engine_context *cc,
br_ssl_session_parameters *pp)
{
memcpy(pp, &cc->session, sizeof *pp);
}
/*
* Set the session parameters to the provided value. This function
* is meant to be used in the client, before doing a new handshake;
* a session resumption will be attempted with these parameters. In
* the server, this function has no effect.
*/
static inline void
br_ssl_engine_set_session_parameters(br_ssl_engine_context *cc,
const br_ssl_session_parameters *pp)
{
memcpy(&cc->session, pp, sizeof *pp);
}
/*
* An SSL engine (client or server) has, at any time, a state which is
* the combination of zero, one or more of these flags: