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DTLS add significat overhead, reduce the MTU to account for it

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This commit is contained in:
Andreas Schultz 2014-12-30 15:35:12 +01:00
parent c08598a315
commit 5a2c738988
1 changed files with 4 additions and 2 deletions
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src/capwap-mitm.c
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@ -558,19 +558,21 @@ static void capwap_server_in(EV_P_ struct capwap_port *capwap_port, unsigned cha
/* prestate is only used to cary to write seq number forward, the buffer will be processed again in dtls_forward ! */ /* prestate is only used to cary to write seq number forward, the buffer will be processed again in dtls_forward ! */
gnutls_dtls_prestate_set(s->session, &prestate); gnutls_dtls_prestate_set(s->session, &prestate);
gnutls_dtls_set_mtu(s->session, 1500); gnutls_dtls_set_mtu(s->session, 1396);
gnutls_transport_set_ptr(s->session, s); gnutls_transport_set_ptr(s->session, s);
gnutls_transport_set_push_function(s->session, dtls_push_func); gnutls_transport_set_push_function(s->session, dtls_push_func);
gnutls_transport_set_pull_function(s->session, dtls_pull_func); gnutls_transport_set_pull_function(s->session, dtls_pull_func);
gnutls_transport_set_pull_timeout_function(s->session, dtls_pull_timeout_func); gnutls_transport_set_pull_timeout_function(s->session, dtls_pull_timeout_func);
gnutls_certificate_server_set_request(s->session, GNUTLS_CERT_REQUEST);
gnutls_init(&c->session, GNUTLS_CLIENT | GNUTLS_DATAGRAM | GNUTLS_NONBLOCK); gnutls_init(&c->session, GNUTLS_CLIENT | GNUTLS_DATAGRAM | GNUTLS_NONBLOCK);
gnutls_priority_set(c->session, priority_cache); gnutls_priority_set(c->session, priority_cache);
gnutls_credentials_set(c->session, GNUTLS_CRD_CERTIFICATE, x509_client_cred); gnutls_credentials_set(c->session, GNUTLS_CRD_CERTIFICATE, x509_client_cred);
gnutls_dh_set_prime_bits(c->session, 512); gnutls_dh_set_prime_bits(c->session, 512);
gnutls_dtls_set_mtu(c->session, 1500); gnutls_dtls_set_mtu(c->session, 1396);
gnutls_transport_set_ptr(c->session, c); gnutls_transport_set_ptr(c->session, c);
gnutls_transport_set_push_function(c->session, dtls_push_func); gnutls_transport_set_push_function(c->session, dtls_push_func);