You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

104 lines
3.6 KiB

diff -up openssl-1.0.1e/ssl/ssl3.h.keying-mitm openssl-1.0.1e/ssl/ssl3.h
--- openssl-1.0.1e/ssl/ssl3.h.keying-mitm 2014-06-02 19:48:04.518100562 +0200
+++ openssl-1.0.1e/ssl/ssl3.h 2014-06-02 19:48:04.642103429 +0200
@@ -388,6 +388,7 @@ typedef struct ssl3_buffer_st
#define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
#define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010
#define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020
+#define SSL3_FLAGS_CCS_OK 0x0080
/* SSL3_FLAGS_SGC_RESTART_DONE is set when we
* restart a handshake because of MS SGC and so prevents us
diff -up openssl-1.0.1e/ssl/s3_clnt.c.keying-mitm openssl-1.0.1e/ssl/s3_clnt.c
--- openssl-1.0.1e/ssl/s3_clnt.c.keying-mitm 2013-02-11 16:26:04.000000000 +0100
+++ openssl-1.0.1e/ssl/s3_clnt.c 2014-06-02 19:49:57.042701985 +0200
@@ -510,6 +510,7 @@ int ssl3_connect(SSL *s)
s->method->ssl3_enc->client_finished_label,
s->method->ssl3_enc->client_finished_label_len);
if (ret <= 0) goto end;
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
s->state=SSL3_ST_CW_FLUSH;
/* clear flags */
@@ -559,6 +560,7 @@ int ssl3_connect(SSL *s)
case SSL3_ST_CR_FINISHED_A:
case SSL3_ST_CR_FINISHED_B:
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
ret=ssl3_get_finished(s,SSL3_ST_CR_FINISHED_A,
SSL3_ST_CR_FINISHED_B);
if (ret <= 0) goto end;
@@ -901,6 +903,7 @@ int ssl3_get_server_hello(SSL *s)
{
s->session->cipher = pref_cipher ?
pref_cipher : ssl_get_cipher_by_char(s, p+j);
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
}
}
#endif /* OPENSSL_NO_TLSEXT */
@@ -916,6 +918,7 @@ int ssl3_get_server_hello(SSL *s)
SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
goto f_err;
}
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
s->hit=1;
}
else /* a miss or crap from the other end */
diff -up openssl-1.0.1e/ssl/s3_pkt.c.keying-mitm openssl-1.0.1e/ssl/s3_pkt.c
--- openssl-1.0.1e/ssl/s3_pkt.c.keying-mitm 2014-06-02 19:48:04.640103383 +0200
+++ openssl-1.0.1e/ssl/s3_pkt.c 2014-06-02 19:48:04.643103452 +0200
@@ -1298,6 +1298,15 @@ start:
goto f_err;
}
+ if (!(s->s3->flags & SSL3_FLAGS_CCS_OK))
+ {
+ al=SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_CCS_RECEIVED_EARLY);
+ goto f_err;
+ }
+
+ s->s3->flags &= ~SSL3_FLAGS_CCS_OK;
+
rr->length=0;
if (s->msg_callback)
@@ -1432,7 +1441,7 @@ int ssl3_do_change_cipher_spec(SSL *s)
if (s->s3->tmp.key_block == NULL)
{
- if (s->session == NULL)
+ if (s->session == NULL || s->session->master_key_length == 0)
{
/* might happen if dtls1_read_bytes() calls this */
SSLerr(SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC,SSL_R_CCS_RECEIVED_EARLY);
diff -up openssl-1.0.1e/ssl/s3_srvr.c.keying-mitm openssl-1.0.1e/ssl/s3_srvr.c
--- openssl-1.0.1e/ssl/s3_srvr.c.keying-mitm 2014-06-02 19:48:04.630103151 +0200
+++ openssl-1.0.1e/ssl/s3_srvr.c 2014-06-02 19:48:04.643103452 +0200
@@ -673,6 +673,7 @@ int ssl3_accept(SSL *s)
case SSL3_ST_SR_CERT_VRFY_A:
case SSL3_ST_SR_CERT_VRFY_B:
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
/* we should decide if we expected this one */
ret=ssl3_get_cert_verify(s);
if (ret <= 0) goto end;
@@ -700,6 +701,7 @@ int ssl3_accept(SSL *s)
case SSL3_ST_SR_FINISHED_A:
case SSL3_ST_SR_FINISHED_B:
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
ret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A,
SSL3_ST_SR_FINISHED_B);
if (ret <= 0) goto end;
@@ -770,7 +772,10 @@ int ssl3_accept(SSL *s)
s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A;
#else
if (s->s3->next_proto_neg_seen)
+ {
+ s->s3->flags |= SSL3_FLAGS_CCS_OK;
s->s3->tmp.next_state=SSL3_ST_SR_NEXT_PROTO_A;
+ }
else
s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A;
#endif