# define HAVE_OCSP
# include <gnutls/ocsp.h>
# endif
+# ifndef GNUTLS_NO_EXTENSIONS
+# define GNUTLS_NO_EXTENSIONS 0
+# endif
# define DH_BITS 768
/* Local static variables for GNUTLS */
-static gnutls_dh_params dh_params = NULL;
+static gnutls_dh_params_t dh_params = NULL;
static gnutls_certificate_credentials_t x509_cred = NULL;
-static gnutls_session tls_session = NULL;
+static gnutls_session_t tls_session = NULL;
static int ssl_session_timeout = 200;
/* Priorities for TLS algorithms to use. */
+#if GNUTLS_VERSION_NUMBER < 0x030400
static const int protocol_priority[16] = { GNUTLS_TLS1, GNUTLS_SSL3, 0 };
static const int kx_priority[16] = {
0 };
static const int comp_priority[16] = { GNUTLS_COMP_NULL, 0 };
-static const int cert_type_priority[16] = { GNUTLS_CRT_X509, 0 };
+#endif
#endif /*HAVE_GNUTLS*/
{
int fd;
int ret;
-gnutls_datum m;
+gnutls_datum_t m;
uschar filename[200];
struct stat statbuf;
* Initialize a single GNUTLS session *
*************************************************/
-static gnutls_session
+static gnutls_session_t
tls_session_init(void)
{
-gnutls_session session;
+gnutls_session_t session;
-gnutls_init(&session, GNUTLS_CLIENT);
+gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_NO_EXTENSIONS);
+#if GNUTLS_VERSION_NUMBER < 0x030400
gnutls_cipher_set_priority(session, default_cipher_priority);
gnutls_compression_set_priority(session, comp_priority);
gnutls_kx_set_priority(session, kx_priority);
gnutls_mac_set_priority(session, mac_priority);
gnutls_cred_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
+#else
+gnutls_set_default_priority(session);
+gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
+#endif
gnutls_dh_set_prime_bits(session, DH_BITS);
gnutls_db_set_cache_expiration(session, ssl_session_timeout);
*************************************************/
const char * const HELP_MESSAGE = "\n\
-Usage: client\n\
+Usage: client\n"
+#ifdef HAVE_TLS
+"\
+ [-tls-on-connect]\n\
+ [-ocsp]\n"
+#endif
+"\
+ [-tn] n seconds timeout\n\
<IP address>\n\
<port>\n\
[<outgoing interface>]\n\
if (ocsp_stapling)
gnutls_ocsp_status_request_enable_client(tls_session, NULL, 0, NULL);
#endif
-gnutls_transport_set_ptr(tls_session, (gnutls_transport_ptr)sock);
+gnutls_transport_set_ptr(tls_session, (gnutls_transport_ptr_t)(intptr_t)sock);
/* When the server asks for a certificate and the client does not have one,
there is a SIGPIPE error in the gnutls_handshake() function for some reason
{
printf("Attempting to start TLS\n");
- #ifdef HAVE_OPENSSL
+#ifdef HAVE_OPENSSL
tls_active = tls_start(sock, &ssl, ctx);
- #endif
+#endif
- #ifdef HAVE_GNUTLS
+#ifdef HAVE_GNUTLS
+ {
+ int rc;
sigalrm_seen = FALSE;
alarm(timeout);
- tls_active = gnutls_handshake(tls_session) >= 0;
+ do {
+ rc = gnutls_handshake(tls_session);
+ } while (rc < 0 && gnutls_error_is_fatal(rc) == 0);
+ tls_active = rc >= 0;
alarm(0);
- #endif
+
+ if (!tls_active) printf("%s\n", gnutls_strerror(rc));
+ }
+#endif
if (!tls_active)
printf("Failed to start TLS\n");
- #if defined(HAVE_GNUTLS) && defined(HAVE_OCSP)
+#if defined(HAVE_GNUTLS) && defined(HAVE_OCSP)
else if ( ocsp_stapling
&& gnutls_ocsp_status_request_is_checked(tls_session, 0) == 0)
printf("Failed to verify certificate status\n");
- #endif
+#endif
else
printf("Succeeded in starting TLS\n");
}
while (fgets(CS outbuffer, sizeof(outbuffer), stdin) != NULL)
{
int n = (int)strlen(CS outbuffer);
- while (n > 0 && isspace(outbuffer[n-1])) n--;
- outbuffer[n] = 0;
+
+ /* Strip trailing newline */
+ if (outbuffer[n-1] == '\n') outbuffer[--n] = 0;
/* Expect incoming */
#endif
#ifdef HAVE_GNUTLS
- sigalrm_seen = FALSE;
- alarm(timeout);
- tls_active = gnutls_handshake(tls_session) >= 0;
- alarm(0);
+ {
+ int rc;
+ sigalrm_seen = FALSE;
+ alarm(timeout);
+ do {
+ rc = gnutls_handshake(tls_session);
+ } while (rc < 0 && gnutls_error_is_fatal(rc) == 0);
+ tls_active = rc >= 0;
+ alarm(0);
+
+ if (!tls_active) printf("%s\n", gnutls_strerror(rc));
+ }
#endif
if (!tls_active)