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Get rid of tor_tls_block_renegotiation().

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Since we check for naughty renegotiations using
tor_tls_t.server_handshake_count we don't need that semi-broken
function (at least till there is a way to disable rfc5746
renegotiations too).
This commit is contained in:
George Kadianakis 2011-10-26 13:16:14 +02:00
parent ecd239e3b5
commit 340809dd22
3 changed files with 0 additions and 16 deletions
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10
src/common/tortls.c
View File

@ -1540,16 +1540,6 @@ tor_tls_unblock_renegotiation(tor_tls_t *tls)
} }
} }
/** If this version of openssl supports it, turn off renegotiation on
* <b>tls</b>. (Our protocol never requires this for security, but it's nice
* to use belt-and-suspenders here.)
*/
void
tor_tls_block_renegotiation(tor_tls_t *tls)
{
tls->ssl->s3->flags &= ~SSL3_FLAGS_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
}
void void
tor_tls_assert_renegotiation_unblocked(tor_tls_t *tls) tor_tls_assert_renegotiation_unblocked(tor_tls_t *tls)
{ {

1
src/common/tortls.h
View File

@ -75,7 +75,6 @@ int tor_tls_handshake(tor_tls_t *tls);
int tor_tls_finish_handshake(tor_tls_t *tls); int tor_tls_finish_handshake(tor_tls_t *tls);
int tor_tls_renegotiate(tor_tls_t *tls); int tor_tls_renegotiate(tor_tls_t *tls);
void tor_tls_unblock_renegotiation(tor_tls_t *tls); void tor_tls_unblock_renegotiation(tor_tls_t *tls);
void tor_tls_block_renegotiation(tor_tls_t *tls);
void tor_tls_assert_renegotiation_unblocked(tor_tls_t *tls); void tor_tls_assert_renegotiation_unblocked(tor_tls_t *tls);
int tor_tls_shutdown(tor_tls_t *tls); int tor_tls_shutdown(tor_tls_t *tls);
int tor_tls_get_pending_bytes(tor_tls_t *tls); int tor_tls_get_pending_bytes(tor_tls_t *tls);

5
src/or/connection_or.c
View File

@ -1139,10 +1139,6 @@ connection_or_tls_renegotiated_cb(tor_tls_t *tls, void *_conn)
or_connection_t *conn = _conn; or_connection_t *conn = _conn;
(void)tls; (void)tls;
/* Don't invoke this again. */
tor_tls_set_renegotiate_callback(tls, NULL, NULL);
tor_tls_block_renegotiation(tls);
if (connection_tls_finish_handshake(conn) < 0) { if (connection_tls_finish_handshake(conn) < 0) {
/* XXXX_TLS double-check that it's ok to do this from inside read. */ /* XXXX_TLS double-check that it's ok to do this from inside read. */
/* XXXX_TLS double-check that this verifies certificates. */ /* XXXX_TLS double-check that this verifies certificates. */
@ -1529,7 +1525,6 @@ connection_tls_finish_handshake(or_connection_t *conn)
connection_or_init_conn_from_address(conn, &conn->_base.addr, connection_or_init_conn_from_address(conn, &conn->_base.addr,
conn->_base.port, digest_rcvd, 0); conn->_base.port, digest_rcvd, 0);
} }
tor_tls_block_renegotiation(conn->tls);
return connection_or_set_state_open(conn); return connection_or_set_state_open(conn);
} else { } else {
conn->_base.state = OR_CONN_STATE_OR_HANDSHAKING_V2; conn->_base.state = OR_CONN_STATE_OR_HANDSHAKING_V2;