Disable SSL 2.0 in TLS driver

SSL 2.0 is not used anywhere as it has security problems. Disable it
unconditionally both in server and client mode. This does _not_
disable support for SSL 2.0 compatible client hello which still will
be accepted in the server mode.
This commit is contained in:
Janusz Dziemidowicz 2012-07-18 21:57:28 +02:00
parent efc0b0ba5a
commit e06c1c49c1
1 changed files with 2 additions and 2 deletions

View File

@ -354,6 +354,8 @@ static ErlDrvSSizeT tls_drv_control(ErlDrvData handle,
res = SSL_CTX_check_private_key(ctx);
die_unless(res > 0, "SSL_CTX_check_private_key failed");
SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2|SSL_OP_NO_TICKET);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
SSL_CTX_set_default_verify_paths(ctx);
#ifdef SSL_MODE_RELEASE_BUFFERS
@ -386,10 +388,8 @@ static ErlDrvSSizeT tls_drv_control(ErlDrvData handle,
SSL_set_bio(d->ssl, d->bio_read, d->bio_write);
if (command == SET_CERTIFICATE_FILE_ACCEPT) {
SSL_set_options(d->ssl, SSL_OP_NO_TICKET);
SSL_set_accept_state(d->ssl);
} else {
SSL_set_options(d->ssl, SSL_OP_NO_SSLv2|SSL_OP_NO_TICKET);
SSL_set_connect_state(d->ssl);
}
break;