}
s->init_num=0;
+ s->s3->flags &= ~SSL3_FLAGS_SGC_RESTART_DONE;
if (s->state != SSL_ST_RENEGOTIATE)
{
s->s3->tmp.reuse_message = 1;
if (s->s3->tmp.message_type == SSL3_MT_CLIENT_HELLO)
{
+ /* We only allow the client to restart the handshake once per
+ * negotiation. */
+ if (s->s3->flags & SSL3_FLAGS_SGC_RESTART_DONE)
+ {
+ SSLerr(SSL_F_SSL3_CHECK_CLIENT_HELLO, SSL_R_MULTIPLE_SGC_RESTARTS);
+ return -1;
+ }
/* Throw away what we have done so far in the current handshake,
* which will now be aborted. (A full SSL_clear would be too much.) */
#ifndef OPENSSL_NO_DH
s->s3->tmp.ecdh = NULL;
}
#endif
+ s->s3->flags |= SSL3_FLAGS_SGC_RESTART_DONE;
return 2;
}
return 1;
if (i <= 0)
{
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,ERR_R_DH_LIB);
+ BN_clear_free(pub);
goto err;
}
SSL3_ST_SR_CERT_VRFY_A,
SSL3_ST_SR_CERT_VRFY_B,
-1,
- 514, /* 514? */
+ 516, /* Enough for 4096 bit RSA key with TLS v1.2 */
&ok);
if (!ok) return((int)n);