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authorPing Yu <ping.yu@intel.com>2018-08-13 06:20:00 -0400
committerFlorin Coras <florin.coras@gmail.com>2018-08-17 14:48:10 +0000
commitdecda5b466843b3164ba13f248f9e0bb93111782 (patch)
tree3a33e53c4e42e36e2d37209ab954cddad900bc2c /src/plugins/tlsopenssl/tls_openssl.c
parent38b99d06ad00d09f406998e23c1d6cf44e11b86e (diff)
optimize init_server to reduce session overhead
move un-necessary session based operation to listener split orignal openssl ctx to be session based ctx and listen ctx Change-Id: Id6c54f47b0e2171fd8924a45efcd5266ce5402d5 Signed-off-by: Ping Yu <ping.yu@intel.com>
Diffstat (limited to 'src/plugins/tlsopenssl/tls_openssl.c')
-rw-r--r--src/plugins/tlsopenssl/tls_openssl.c130
1 files changed, 98 insertions, 32 deletions
diff --git a/src/plugins/tlsopenssl/tls_openssl.c b/src/plugins/tlsopenssl/tls_openssl.c
index 73e5cc0af35..b38b9618b9f 100644
--- a/src/plugins/tlsopenssl/tls_openssl.c
+++ b/src/plugins/tlsopenssl/tls_openssl.c
@@ -56,11 +56,6 @@ openssl_ctx_free (tls_ctx_t * ctx)
if (SSL_is_init_finished (oc->ssl) && !ctx->is_passive_close)
SSL_shutdown (oc->ssl);
- if (SSL_is_server (oc->ssl))
- {
- X509_free (oc->srvcert);
- EVP_PKEY_free (oc->pkey);
- }
SSL_free (oc->ssl);
pool_put_index (openssl_main.ctx_pool[ctx->c_thread_index],
@@ -84,6 +79,31 @@ openssl_ctx_get_w_thread (u32 ctx_index, u8 thread_index)
return &(*ctx)->ctx;
}
+static u32
+openssl_listen_ctx_alloc (void)
+{
+ openssl_main_t *om = &openssl_main;
+ openssl_listen_ctx_t *lctx;
+
+ pool_get (om->lctx_pool, lctx);
+
+ memset (lctx, 0, sizeof (openssl_listen_ctx_t));
+ lctx->openssl_lctx_index = lctx - om->lctx_pool;
+ return lctx->openssl_lctx_index;
+}
+
+static void
+openssl_listen_ctx_free (openssl_listen_ctx_t * lctx)
+{
+ pool_put_index (openssl_main.lctx_pool, lctx->openssl_lctx_index);
+}
+
+openssl_listen_ctx_t *
+openssl_lctx_get (u32 lctx_index)
+{
+ return pool_elt_at_index (openssl_main.lctx_pool, lctx_index);
+}
+
static int
openssl_try_handshake_read (openssl_ctx_t * oc,
stream_session_t * tls_session)
@@ -533,46 +553,49 @@ openssl_ctx_init_client (tls_ctx_t * ctx)
}
static int
-openssl_ctx_init_server (tls_ctx_t * ctx)
+openssl_start_listen (tls_ctx_t * lctx)
{
- char *ciphers = "ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH";
- long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
- openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
- stream_session_t *tls_session;
- const SSL_METHOD *method;
application_t *app;
- int rv, err;
+ const SSL_METHOD *method;
+ SSL_CTX *ssl_ctx;
+ int rv;
BIO *cert_bio;
+ X509 *srvcert;
+ EVP_PKEY *pkey;
+ u32 olc_index;
+ openssl_listen_ctx_t *olc;
+
+ char *ciphers = "ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH";
+ long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
#ifdef HAVE_OPENSSL_ASYNC
openssl_main_t *om = &openssl_main;
- openssl_resume_handler *handler;
#endif
- app = application_get (ctx->parent_app_index);
+ app = application_get (lctx->parent_app_index);
if (!app->tls_cert || !app->tls_key)
{
TLS_DBG (1, "tls cert and/or key not configured %d",
- ctx->parent_app_index);
+ lctx->parent_app_index);
return -1;
}
method = SSLv23_method ();
- oc->ssl_ctx = SSL_CTX_new (method);
- if (!oc->ssl_ctx)
+ ssl_ctx = SSL_CTX_new (method);
+ if (!ssl_ctx)
{
clib_warning ("Unable to create SSL context");
return -1;
}
- SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
+ SSL_CTX_set_mode (ssl_ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
#ifdef HAVE_OPENSSL_ASYNC
if (om->async)
- SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ASYNC);
+ SSL_CTX_set_mode (ssl_ctx, SSL_MODE_ASYNC);
#endif
- SSL_CTX_set_options (oc->ssl_ctx, flags);
- SSL_CTX_set_ecdh_auto (oc->ssl_ctx, 1);
+ SSL_CTX_set_options (ssl_ctx, flags);
+ SSL_CTX_set_ecdh_auto (ssl_ctx, 1);
- rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) ciphers);
+ rv = SSL_CTX_set_cipher_list (ssl_ctx, (const char *) ciphers);
if (rv != 1)
{
TLS_DBG (1, "Couldn't set cipher");
@@ -584,32 +607,73 @@ openssl_ctx_init_server (tls_ctx_t * ctx)
*/
cert_bio = BIO_new (BIO_s_mem ());
BIO_write (cert_bio, app->tls_cert, vec_len (app->tls_cert));
- oc->srvcert = PEM_read_bio_X509 (cert_bio, NULL, NULL, NULL);
- if (!oc->srvcert)
+ srvcert = PEM_read_bio_X509 (cert_bio, NULL, NULL, NULL);
+ if (!srvcert)
{
clib_warning ("unable to parse certificate");
return -1;
}
- SSL_CTX_use_certificate (oc->ssl_ctx, oc->srvcert);
+ SSL_CTX_use_certificate (ssl_ctx, srvcert);
BIO_free (cert_bio);
-
cert_bio = BIO_new (BIO_s_mem ());
BIO_write (cert_bio, app->tls_key, vec_len (app->tls_key));
- oc->pkey = PEM_read_bio_PrivateKey (cert_bio, NULL, NULL, NULL);
- if (!oc->pkey)
+ pkey = PEM_read_bio_PrivateKey (cert_bio, NULL, NULL, NULL);
+ if (!pkey)
{
clib_warning ("unable to parse pkey");
return -1;
}
- SSL_CTX_use_PrivateKey (oc->ssl_ctx, oc->pkey);
-
- SSL_CTX_use_PrivateKey (oc->ssl_ctx, oc->pkey);
+ SSL_CTX_use_PrivateKey (ssl_ctx, pkey);
BIO_free (cert_bio);
+ olc_index = openssl_listen_ctx_alloc ();
+ olc = openssl_lctx_get (olc_index);
+ olc->ssl_ctx = ssl_ctx;
+ olc->srvcert = srvcert;
+ olc->pkey = pkey;
+
+ /* store SSL_CTX into TLS level structure */
+ lctx->tls_ssl_ctx = olc_index;
+
+ return 0;
+
+}
+
+static int
+openssl_stop_listen (tls_ctx_t * lctx)
+{
+ u32 olc_index;
+ openssl_listen_ctx_t *olc;
+
+ olc_index = lctx->tls_ssl_ctx;
+ olc = openssl_lctx_get (olc_index);
+
+ X509_free (olc->srvcert);
+ EVP_PKEY_free (olc->pkey);
+
+ SSL_CTX_free (olc->ssl_ctx);
+ openssl_listen_ctx_free (olc);
+
+ return 0;
+}
+
+static int
+openssl_ctx_init_server (tls_ctx_t * ctx)
+{
+ openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
+ u32 olc_index = ctx->tls_ssl_ctx;
+ openssl_listen_ctx_t *olc;
+ stream_session_t *tls_session;
+ int rv, err;
+#ifdef HAVE_OPENSSL_ASYNC
+ openssl_resume_handler *handler;
+#endif
+
/* Start a new connection */
- oc->ssl = SSL_new (oc->ssl_ctx);
+ olc = openssl_lctx_get (olc_index);
+ oc->ssl = SSL_new (olc->ssl_ctx);
if (oc->ssl == NULL)
{
TLS_DBG (1, "Couldn't initialize ssl struct");
@@ -670,6 +734,8 @@ const static tls_engine_vft_t openssl_engine = {
.ctx_write = openssl_ctx_write,
.ctx_read = openssl_ctx_read,
.ctx_handshake_is_over = openssl_handshake_is_over,
+ .ctx_start_listen = openssl_start_listen,
+ .ctx_stop_listen = openssl_stop_listen,
};
int