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-rw-r--r--modules/ssl/ssl_engine_kernel.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/modules/ssl/ssl_engine_kernel.c b/modules/ssl/ssl_engine_kernel.c
index fe0496f..fa1b3a8 100644
--- a/modules/ssl/ssl_engine_kernel.c
+++ b/modules/ssl/ssl_engine_kernel.c
@@ -992,7 +992,7 @@ static int ssl_hook_Access_classic(request_rec *r, SSLSrvConfigRec *sc, SSLDirCo
/* Toggle the renegotiation state to allow the new
* handshake to proceed. */
- sslconn->reneg_state = RENEG_ALLOW;
+ modssl_set_reneg_state(sslconn, RENEG_ALLOW);
SSL_renegotiate(ssl);
SSL_do_handshake(ssl);
@@ -1019,7 +1019,7 @@ static int ssl_hook_Access_classic(request_rec *r, SSLSrvConfigRec *sc, SSLDirCo
*/
SSL_peek(ssl, peekbuf, 0);
- sslconn->reneg_state = RENEG_REJECT;
+ modssl_set_reneg_state(sslconn, RENEG_REJECT);
if (!SSL_is_init_finished(ssl)) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02261)
@@ -1078,7 +1078,7 @@ static int ssl_hook_Access_modern(request_rec *r, SSLSrvConfigRec *sc, SSLDirCon
(sc->server->auth.verify_mode != SSL_CVERIFY_UNSET)) {
int vmode_inplace, vmode_needed;
int change_vmode = FALSE;
- int old_state, n, rc;
+ int n, rc;
vmode_inplace = SSL_get_verify_mode(ssl);
vmode_needed = SSL_VERIFY_NONE;
@@ -1180,8 +1180,6 @@ static int ssl_hook_Access_modern(request_rec *r, SSLSrvConfigRec *sc, SSLDirCon
return HTTP_FORBIDDEN;
}
- old_state = sslconn->reneg_state;
- sslconn->reneg_state = RENEG_ALLOW;
modssl_set_app_data2(ssl, r);
SSL_do_handshake(ssl);
@@ -1191,7 +1189,6 @@ static int ssl_hook_Access_modern(request_rec *r, SSLSrvConfigRec *sc, SSLDirCon
*/
SSL_peek(ssl, peekbuf, 0);
- sslconn->reneg_state = old_state;
modssl_set_app_data2(ssl, NULL);
/*
@@ -2263,8 +2260,8 @@ static void log_tracing_state(const SSL *ssl, conn_rec *c,
/*
* This callback function is executed while OpenSSL processes the SSL
* handshake and does SSL record layer stuff. It's used to trap
- * client-initiated renegotiations, and for dumping everything to the
- * log.
+ * client-initiated renegotiations (where SSL_OP_NO_RENEGOTIATION is
+ * not available), and for dumping everything to the log.
*/
void ssl_callback_Info(const SSL *ssl, int where, int rc)
{
@@ -2276,14 +2273,12 @@ void ssl_callback_Info(const SSL *ssl, int where, int rc)
return;
}
- /* With TLS 1.3 this callback may be called multiple times on the first
- * negotiation, so the below logic to detect renegotiations can't work.
- * Fortunately renegotiations are forbidden starting with TLS 1.3, and
- * this is enforced by OpenSSL so there's nothing to be done here.
- */
-#if SSL_HAVE_PROTOCOL_TLSV1_3
- if (SSL_version(ssl) < TLS1_3_VERSION)
-#endif
+#ifndef SSL_OP_NO_RENEGOTIATION
+ /* With OpenSSL < 1.1.1 (implying TLS v1.2 or earlier), this
+ * callback is used to block client-initiated renegotiation. With
+ * TLSv1.3 it is unnecessary since renegotiation is forbidden at
+ * protocol level. Otherwise (TLSv1.2 with OpenSSL >=1.1.1),
+ * SSL_OP_NO_RENEGOTIATION is used to block renegotiation. */
{
SSLConnRec *sslconn;
@@ -2308,6 +2303,7 @@ void ssl_callback_Info(const SSL *ssl, int where, int rc)
sslconn->reneg_state = RENEG_REJECT;
}
}
+#endif
s = mySrvFromConn(c);
if (s && APLOGdebug(s)) {