int
print_info (gnutls_session_t session, const char *hostname, int insecure)
{
const char *tmp;
gnutls_credentials_type_t cred;
gnutls_kx_algorithm_t kx;
/* print the key exchange's algorithm name
*/
kx = gnutls_kx_get (session);
cred = gnutls_auth_get_type (session);
switch (cred)
{
#ifdef ENABLE_ANON
case GNUTLS_CRD_ANON:
print_dh_info (session, "Anonymous ");
break;
#endif
#ifdef ENABLE_SRP
case GNUTLS_CRD_SRP:
/* This should be only called in server
* side.
*/
if (gnutls_srp_server_get_username (session) != NULL)
printf ("- SRP authentication. Connected as '%s'\n",
gnutls_srp_server_get_username (session));
break;
#endif
#ifdef ENABLE_PSK
case GNUTLS_CRD_PSK:
/* This returns NULL in server side.
*/
if (gnutls_psk_client_get_hint (session) != NULL)
printf ("- PSK authentication. PSK hint '%s'\n",
gnutls_psk_client_get_hint (session));
/* This returns NULL in client side.
*/
if (gnutls_psk_server_get_username (session) != NULL)
printf ("- PSK authentication. Connected as '%s'\n",
gnutls_psk_server_get_username (session));
if (kx == GNUTLS_KX_DHE_PSK)
print_dh_info (session, "Ephemeral ");
break;
#endif
case GNUTLS_CRD_IA:
printf ("- TLS/IA authentication\n");
break;
case GNUTLS_CRD_CERTIFICATE:
{
char dns[256];
size_t dns_size = sizeof (dns);
unsigned int type;
/* This fails in client side */
if (gnutls_server_name_get (session, dns, &dns_size, &type, 0) == 0)
{
printf ("- Given server name[%d]: %s\n", type, dns);
}
}
if (kx == GNUTLS_KX_DHE_RSA || kx == GNUTLS_KX_DHE_DSS)
print_dh_info (session, "Ephemeral ");
print_cert_info (session, hostname, insecure);
print_cert_vrfy (session);
}
tmp = SU (gnutls_protocol_get_name (gnutls_protocol_get_version (session)));
printf ("- Version: %s\n", tmp);
tmp = SU (gnutls_kx_get_name (kx));
printf ("- Key Exchange: %s\n", tmp);
tmp = SU (gnutls_cipher_get_name (gnutls_cipher_get (session)));
printf ("- Cipher: %s\n", tmp);
tmp = SU (gnutls_mac_get_name (gnutls_mac_get (session)));
printf ("- MAC: %s\n", tmp);
tmp = SU (gnutls_compression_get_name (gnutls_compression_get (session)));
printf ("- Compression: %s\n", tmp);
if (verbose)
{
char id[32];
size_t id_size = sizeof (id);
gnutls_session_get_id (session, id, &id_size);
printf ("- Session ID: %s\n", raw_to_string (id, id_size));
}
if (verbose)
{
gnutls_datum cb;
int rc;
rc =
gnutls_session_channel_binding (session, GNUTLS_CB_TLS_UNIQUE, &cb);
if (rc)
fprintf (stderr, "Channel binding error: %s\n", gnutls_strerror (rc));
else
{
size_t i;
printf ("- Channel binding 'tls-unique': ");
for (i = 0; i < cb.size; i++)
printf ("%02x", cb.data[i]);
printf ("\n");
}
}
/* Warning: Do not print anything more here. The 'Compression:'
output MUST be the last non-verbose output. This is used by
Emacs starttls.el code. */
fflush (stdout);
return 0;
}
int
print_info (gnutls_session_t session, const char *hostname, int insecure)
{
const char *tmp;
gnutls_credentials_type_t cred;
gnutls_kx_algorithm_t kx;
/* print the key exchange's algorithm name
*/
kx = gnutls_kx_get (session);
cred = gnutls_auth_get_type (session);
switch (cred)
{
#ifdef ENABLE_ANON
case GNUTLS_CRD_ANON:
print_dh_info (session, "Anonymous ");
break;
#endif
#ifdef ENABLE_SRP
case GNUTLS_CRD_SRP:
/* This should be only called in server
* side.
*/
if (gnutls_srp_server_get_username (session) != NULL)
printf ("- SRP authentication. Connected as '%s'\n",
gnutls_srp_server_get_username (session));
break;
#endif
#ifdef ENABLE_PSK
case GNUTLS_CRD_PSK:
/* This returns NULL in server side.
*/
if (gnutls_psk_client_get_hint (session) != NULL)
printf ("- PSK authentication. PSK hint '%s'\n",
gnutls_psk_client_get_hint (session));
/* This returns NULL in client side.
*/
if (gnutls_psk_server_get_username (session) != NULL)
printf ("- PSK authentication. Connected as '%s'\n",
gnutls_psk_server_get_username (session));
if (kx == GNUTLS_KX_DHE_PSK)
print_dh_info (session, "Ephemeral ");
break;
#endif
case GNUTLS_CRD_IA:
printf ("- TLS/IA authentication\n");
break;
case GNUTLS_CRD_CERTIFICATE:
{
char dns[256];
size_t dns_size = sizeof (dns);
unsigned int type;
/* This fails in client side */
if (gnutls_server_name_get (session, dns, &dns_size, &type, 0) == 0)
{
printf ("- Given server name[%d]: %s\n", type, dns);
}
}
if (kx == GNUTLS_KX_DHE_RSA || kx == GNUTLS_KX_DHE_DSS)
print_dh_info (session, "Ephemeral ");
print_cert_info (session, hostname, insecure);
print_cert_vrfy (session);
}
tmp = SU (gnutls_protocol_get_name (gnutls_protocol_get_version (session)));
printf ("- Version: %s\n", tmp);
tmp = SU (gnutls_kx_get_name (kx));
printf ("- Key Exchange: %s\n", tmp);
tmp = SU (gnutls_cipher_get_name (gnutls_cipher_get (session)));
printf ("- Cipher: %s\n", tmp);
tmp = SU (gnutls_mac_get_name (gnutls_mac_get (session)));
printf ("- MAC: %s\n", tmp);
tmp = SU (gnutls_compression_get_name (gnutls_compression_get (session)));
printf ("- Compression: %s\n", tmp);
if (verbose)
{
char id[32];
size_t id_size = sizeof (id);
gnutls_session_get_id (session, id, &id_size);
printf ("- Session ID: %s\n", raw_to_string (id, id_size));
}
fflush (stdout);
return 0;
}