static int ssl_set_version(SSL *s);
static int ca_dn_cmp(const X509_NAME *const *a, const X509_NAME *const *b);
-static int ssl3_check_finished(SSL *s);
+static int ssl3_check_change(SSL *s);
static int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk,
unsigned char *p,
int (*put_cb) (const SSL_CIPHER *,
s->state = SSL3_ST_CW_CLNT_HELLO_A;
s->ctx->stats.sess_connect++;
s->init_num = 0;
- s->s3->flags &= ~SSL3_FLAGS_CCS_OK;
/*
* Should have been reset by ssl3_get_finished, too.
*/
goto end;
if (s->hit) {
- s->state = SSL3_ST_CR_FINISHED_A;
+ s->state = SSL3_ST_CR_CHANGE_A;
if (s->tlsext_ticket_expected) {
/* receive renewed session ticket */
s->state = SSL3_ST_CR_SESSION_TICKET_A;
case SSL3_ST_CR_CERT_A:
case SSL3_ST_CR_CERT_B:
/* Noop (ret = 0) for everything but EAP-FAST. */
- ret = ssl3_check_finished(s);
+ ret = ssl3_check_change(s);
if (ret < 0)
goto end;
if (ret == 1) {
s->hit = 1;
- s->state = SSL3_ST_CR_FINISHED_A;
+ s->state = SSL3_ST_CR_CHANGE_A;
s->init_num = 0;
break;
}
if (s->tlsext_ticket_expected)
s->s3->tmp.next_state = SSL3_ST_CR_SESSION_TICKET_A;
else
- s->s3->tmp.next_state = SSL3_ST_CR_FINISHED_A;
+ s->s3->tmp.next_state = SSL3_ST_CR_CHANGE_A;
}
s->init_num = 0;
break;
ret = ssl3_get_new_session_ticket(s);
if (ret <= 0)
goto end;
- s->state = SSL3_ST_CR_FINISHED_A;
+ s->state = SSL3_ST_CR_CHANGE_A;
s->init_num = 0;
break;
s->init_num = 0;
break;
+ case SSL3_ST_CR_CHANGE_A:
+ case SSL3_ST_CR_CHANGE_B:
+ ret = ssl3_get_change_cipher_spec(s, SSL3_ST_CR_CHANGE_A,
+ SSL3_ST_CR_CHANGE_B);
+ if (ret <= 0)
+ goto end;
+
+ s->state = SSL3_ST_CR_FINISHED_A;
+ s->init_num = 0;
+ break;
+
case SSL3_ST_CR_FINISHED_A:
case SSL3_ST_CR_FINISHED_B:
- if (!s->s3->change_cipher_spec)
- 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)
s->s3->tmp.psk = BUF_memdup(psk, psklen);
OPENSSL_cleanse(psk, psklen);
- if (s->s3->tmp.psk == NULL)
+ if (s->s3->tmp.psk == NULL) {
+ OPENSSL_cleanse(identity, sizeof(identity));
goto memerr;
+ }
s->s3->tmp.psklen = psklen;
}
OPENSSL_free(s->session->psk_identity);
s->session->psk_identity = BUF_strdup(identity);
- if (s->session->psk_identity == NULL)
+ if (s->session->psk_identity == NULL) {
+ OPENSSL_cleanse(identity, sizeof(identity));
goto memerr;
+ }
s2n(identitylen, p);
memcpy(p, identity, identitylen);
* the session ID. EAP-FAST (RFC 4851), however, relies on the next server
* message after the ServerHello to determine if the server is resuming.
* Therefore, we allow EAP-FAST to peek ahead.
- * ssl3_check_finished returns 1 if we are resuming from an external
- * pre-shared secret, we have a "ticket" and the next server handshake message
- * is Finished; and 0 otherwise. It returns -1 upon an error.
+ * ssl3_check_change returns 1 if we are resuming from an external
+ * pre-shared secret, we have a "ticket" and the next server message
+ * is CCS; and 0 otherwise. It returns -1 upon an error.
*/
-static int ssl3_check_finished(SSL *s)
+static int ssl3_check_change(SSL *s)
{
int ok = 0;
!s->session->tlsext_tick)
return 0;
- /* Need to permit this temporarily, in case the next message is Finished. */
- s->s3->flags |= SSL3_FLAGS_CCS_OK;
/*
* This function is called when we might get a Certificate message instead,
* so permit appropriate message length.
SSL3_ST_CR_CERT_A,
SSL3_ST_CR_CERT_B,
-1, s->max_cert_list, &ok);
- s->s3->flags &= ~SSL3_FLAGS_CCS_OK;
if (!ok)
return -1;
s->s3->tmp.reuse_message = 1;
- if (s->s3->tmp.message_type == SSL3_MT_FINISHED)
+ if (s->s3->tmp.message_type == SSL3_MT_CHANGE_CIPHER_SPEC)
return 1;
- /* If we're not done, then the CCS arrived early and we should bail. */
- if (s->s3->change_cipher_spec) {
- SSLerr(SSL_F_SSL3_CHECK_FINISHED, SSL_R_CCS_RECEIVED_EARLY);
- ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_UNEXPECTED_MESSAGE);
- return -1;
- }
-
return 0;
}