idevice_error_t idevice_connection_enable_ssl(idevice_connection_t connection)
{
if (!connection || connection->ssl_data)
return IDEVICE_E_INVALID_ARG;
idevice_error_t ret = IDEVICE_E_SSL_ERROR;
uint32_t return_me = 0;
plist_t pair_record = NULL;
userpref_read_pair_record(connection->udid, &pair_record);
if (!pair_record) {
debug_info("ERROR: Failed enabling SSL. Unable to read pair record for udid %s.", connection->udid);
return ret;
}
#ifdef HAVE_OPENSSL
key_data_t root_cert = { NULL, 0 };
key_data_t root_privkey = { NULL, 0 };
pair_record_import_crt_with_name(pair_record, USERPREF_ROOT_CERTIFICATE_KEY, &root_cert);
pair_record_import_key_with_name(pair_record, USERPREF_ROOT_PRIVATE_KEY_KEY, &root_privkey);
if (pair_record)
plist_free(pair_record);
BIO *ssl_bio = BIO_new(BIO_s_socket());
if (!ssl_bio) {
debug_info("ERROR: Could not create SSL bio.");
return ret;
}
BIO_set_fd(ssl_bio, (int)(long)connection->data, BIO_NOCLOSE);
SSL_CTX *ssl_ctx = SSL_CTX_new(SSLv3_method());
if (ssl_ctx == NULL) {
debug_info("ERROR: Could not create SSL context.");
BIO_free(ssl_bio);
return ret;
}
BIO* membp;
X509* rootCert = NULL;
membp = BIO_new_mem_buf(root_cert.data, root_cert.size);
PEM_read_bio_X509(membp, &rootCert, NULL, NULL);
BIO_free(membp);
if (SSL_CTX_use_certificate(ssl_ctx, rootCert) != 1) {
debug_info("WARNING: Could not load RootCertificate");
}
X509_free(rootCert);
free(root_cert.data);
RSA* rootPrivKey = NULL;
membp = BIO_new_mem_buf(root_privkey.data, root_privkey.size);
PEM_read_bio_RSAPrivateKey(membp, &rootPrivKey, NULL, NULL);
BIO_free(membp);
if (SSL_CTX_use_RSAPrivateKey(ssl_ctx, rootPrivKey) != 1) {
debug_info("WARNING: Could not load RootPrivateKey");
}
RSA_free(rootPrivKey);
free(root_privkey.data);
SSL *ssl = SSL_new(ssl_ctx);
if (!ssl) {
debug_info("ERROR: Could not create SSL object");
BIO_free(ssl_bio);
SSL_CTX_free(ssl_ctx);
return ret;
}
SSL_set_connect_state(ssl);
SSL_set_verify(ssl, 0, ssl_verify_callback);
SSL_set_bio(ssl, ssl_bio, ssl_bio);
return_me = SSL_do_handshake(ssl);
if (return_me != 1) {
debug_info("ERROR in SSL_do_handshake: %s", errorstring(SSL_get_error(ssl, return_me)));
SSL_free(ssl);
SSL_CTX_free(ssl_ctx);
} else {
ssl_data_t ssl_data_loc = (ssl_data_t)malloc(sizeof(struct ssl_data_private));
ssl_data_loc->session = ssl;
ssl_data_loc->ctx = ssl_ctx;
connection->ssl_data = ssl_data_loc;
ret = IDEVICE_E_SUCCESS;
debug_info("SSL mode enabled, cipher: %s", SSL_get_cipher(ssl));
}
#else
ssl_data_t ssl_data_loc = (ssl_data_t)malloc(sizeof(struct ssl_data_private));
/* Set up GnuTLS... */
debug_info("enabling SSL mode");
errno = 0;
gnutls_certificate_allocate_credentials(&ssl_data_loc->certificate);
gnutls_certificate_client_set_retrieve_function(ssl_data_loc->certificate, internal_cert_callback);
gnutls_init(&ssl_data_loc->session, GNUTLS_CLIENT);
gnutls_priority_set_direct(ssl_data_loc->session, "NONE:+VERS-SSL3.0:+ANON-DH:+RSA:+AES-128-CBC:+AES-256-CBC:+SHA1:+MD5:+COMP-NULL", NULL);
gnutls_credentials_set(ssl_data_loc->session, GNUTLS_CRD_CERTIFICATE, ssl_data_loc->certificate);
gnutls_session_set_ptr(ssl_data_loc->session, ssl_data_loc);
gnutls_x509_crt_init(&ssl_data_loc->root_cert);
gnutls_x509_crt_init(&ssl_data_loc->host_cert);
gnutls_x509_privkey_init(&ssl_data_loc->root_privkey);
gnutls_x509_privkey_init(&ssl_data_loc->host_privkey);
pair_record_import_crt_with_name(pair_record, USERPREF_ROOT_CERTIFICATE_KEY, ssl_data_loc->root_cert);
pair_record_import_crt_with_name(pair_record, USERPREF_HOST_CERTIFICATE_KEY, ssl_data_loc->host_cert);
pair_record_import_key_with_name(pair_record, USERPREF_ROOT_PRIVATE_KEY_KEY, ssl_data_loc->root_privkey);
pair_record_import_key_with_name(pair_record, USERPREF_HOST_PRIVATE_KEY_KEY, ssl_data_loc->host_privkey);
if (pair_record)
plist_free(pair_record);
debug_info("GnuTLS step 1...");
gnutls_transport_set_ptr(ssl_data_loc->session, (gnutls_transport_ptr_t)connection);
debug_info("GnuTLS step 2...");
gnutls_transport_set_push_function(ssl_data_loc->session, (gnutls_push_func) & internal_ssl_write);
debug_info("GnuTLS step 3...");
gnutls_transport_set_pull_function(ssl_data_loc->session, (gnutls_pull_func) & internal_ssl_read);
debug_info("GnuTLS step 4 -- now handshaking...");
if (errno) {
debug_info("WARNING: errno says %s before handshake!", strerror(errno));
}
return_me = gnutls_handshake(ssl_data_loc->session);
debug_info("GnuTLS handshake done...");
if (return_me != GNUTLS_E_SUCCESS) {
internal_ssl_cleanup(ssl_data_loc);
free(ssl_data_loc);
debug_info("GnuTLS reported something wrong.");
gnutls_perror(return_me);
debug_info("oh.. errno says %s", strerror(errno));
} else {
connection->ssl_data = ssl_data_loc;
ret = IDEVICE_E_SUCCESS;
debug_info("SSL mode enabled");
}
#endif
return ret;
}
static void client(int fd, unsigned do_thread)
{
int ret;
gnutls_certificate_credentials_t x509_cred;
gnutls_session_t session;
/* Need to enable anonymous KX specifically. */
global_init();
if (debug) {
side = "client";
gnutls_global_set_log_function(tls_log_func);
gnutls_global_set_log_level(4711);
}
gnutls_certificate_allocate_credentials(&x509_cred);
/* Initialize TLS session
*/
gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_DATAGRAM);
gnutls_dtls_set_mtu(session, 1500);
gnutls_dtls_set_timeouts(session, 6 * 1000, 60 * 1000);
//gnutls_transport_set_push_function(session, push);
/* Use default priorities */
gnutls_priority_set_direct(session,
"NONE:+VERS-DTLS-ALL:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ECDHE-ECDSA:+CURVE-ALL",
NULL);
/* put the anonymous credentials to the current session
*/
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_int(session, fd);
/* Perform the TLS handshake
*/
do {
ret = gnutls_handshake(session);
}
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret < 0) {
fail("client: Handshake failed\n");
gnutls_perror(ret);
exit(1);
} else {
if (debug)
success("client: Handshake was completed\n");
}
if (do_thread)
do_thread_stuff(session);
else
do_reflect_stuff(session);
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
exit(0);
}
static void client(int fd)
{
gnutls_session_t session;
int ret;
gnutls_certificate_credentials_t clientx509cred;
const char *err;
/* Need to enable anonymous KX specifically. */
global_init();
if (debug) {
gnutls_global_set_log_function(client_log_func);
gnutls_global_set_log_level(4711);
}
gnutls_certificate_allocate_credentials(&clientx509cred);
/* Initialize TLS session
*/
gnutls_init(&session, GNUTLS_CLIENT);
ret = gnutls_session_set_premaster(session, GNUTLS_CLIENT,
GNUTLS_TLS1_0, GNUTLS_KX_RSA,
GNUTLS_CIPHER_AES_128_CBC, GNUTLS_MAC_SHA1,
GNUTLS_COMP_NULL, &master, &sess_id);
if (ret < 0) {
fail("client: gnutls_session_set_premaster failed: %s\n", gnutls_strerror(ret));
exit(1);
}
/* Use default priorities */
ret = gnutls_priority_set_direct(session,
"NONE:+VERS-TLS1.0:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-NULL:+RSA",
&err);
if (ret < 0) {
fail("client: priority set failed (%s): %s\n",
gnutls_strerror(ret), err);
exit(1);
}
ret = gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
clientx509cred);
if (ret < 0)
exit(1);
gnutls_handshake_set_random(session, &hrnd);
gnutls_transport_set_int(session, fd);
/* Perform the TLS handshake
*/
do {
ret = gnutls_handshake(session);
}
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret < 0) {
fail("client: Handshake failed: %s\n", strerror(ret));
exit(1);
} else {
if (debug)
success("client: Handshake was completed\n");
}
if (debug)
success("client: TLS version is: %s\n",
gnutls_protocol_get_name
(gnutls_protocol_get_version(session)));
ret = gnutls_cipher_get(session);
if (ret != GNUTLS_CIPHER_AES_128_CBC) {
fprintf(stderr, "negotiated unexpected cipher: %s\n", gnutls_cipher_get_name(ret));
exit(1);
}
ret = gnutls_mac_get(session);
if (ret != GNUTLS_MAC_SHA1) {
fprintf(stderr, "negotiated unexpected mac: %s\n", gnutls_mac_get_name(ret));
exit(1);
}
check_prfs(session);
gnutls_bye(session, GNUTLS_SHUT_WR);
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(clientx509cred);
gnutls_global_deinit();
}
int
main (void)
{
int ret, sd, ii;
gnutls_session_t session;
gnutls_priority_t priorities_cache;
char buffer[MAX_BUF + 1];
gnutls_certificate_credentials_t xcred;
/* Allow connections to servers that have OpenPGP keys as well.
*/
gnutls_global_init ();
load_keys ();
/* X509 stuff */
gnutls_certificate_allocate_credentials (&xcred);
/* priorities */
gnutls_priority_init (&priorities_cache, "NORMAL", NULL);
/* sets the trusted cas file
*/
gnutls_certificate_set_x509_trust_file (xcred, CAFILE, GNUTLS_X509_FMT_PEM);
gnutls_certificate_set_retrieve_function2 (xcred, cert_callback);
/* Initialize TLS session
*/
gnutls_init (&session, GNUTLS_CLIENT);
/* Use default priorities */
gnutls_priority_set (session, priorities_cache);
/* put the x509 credentials to the current session
*/
gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, xcred);
/* connect to the peer
*/
sd = tcp_connect ();
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) sd);
/* Perform the TLS handshake
*/
ret = gnutls_handshake (session);
if (ret < 0)
{
fprintf (stderr, "*** Handshake failed\n");
gnutls_perror (ret);
goto end;
}
else
{
printf ("- Handshake was completed\n");
}
gnutls_record_send (session, MSG, strlen (MSG));
ret = gnutls_record_recv (session, buffer, MAX_BUF);
if (ret == 0)
{
printf ("- Peer has closed the TLS connection\n");
goto end;
}
else if (ret < 0)
{
fprintf (stderr, "*** Error: %s\n", gnutls_strerror (ret));
goto end;
}
printf ("- Received %d bytes: ", ret);
for (ii = 0; ii < ret; ii++)
{
fputc (buffer[ii], stdout);
}
fputs ("\n", stdout);
gnutls_bye (session, GNUTLS_SHUT_RDWR);
end:
tcp_close (sd);
gnutls_deinit (session);
gnutls_certificate_free_credentials (xcred);
gnutls_priority_deinit (priorities_cache);
gnutls_global_deinit ();
return 0;
}
static void client(int sd, const char *prio)
{
int ret, ii;
gnutls_session_t session;
char buffer[MAX_BUF + 1];
gnutls_psk_client_credentials_t pskcred;
/* Need to enable anonymous KX specifically. */
const gnutls_datum_t key = { (void *) "DEADBEEF", 8 };
const char *hint;
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
side = "client";
gnutls_psk_allocate_client_credentials(&pskcred);
gnutls_psk_set_client_credentials(pskcred, "test", &key,
GNUTLS_PSK_KEY_HEX);
/* Initialize TLS session
*/
gnutls_init(&session, GNUTLS_CLIENT);
/* Use default priorities */
gnutls_priority_set_direct(session, prio, NULL);
/* put the anonymous credentials to the current session
*/
gnutls_credentials_set(session, GNUTLS_CRD_PSK, pskcred);
gnutls_transport_set_int(session, sd);
/* Perform the TLS handshake
*/
ret = gnutls_handshake(session);
if (ret < 0) {
fail("client: Handshake failed\n");
gnutls_perror(ret);
goto end;
} else {
if (debug)
success("client: Handshake was completed\n");
}
/* check the hint */
hint = gnutls_psk_client_get_hint(session);
if (hint == NULL || strcmp(hint, "hint") != 0) {
fail("client: hint is not the expected: %s\n", gnutls_psk_client_get_hint(session));
goto end;
}
gnutls_record_send(session, MSG, strlen(MSG));
ret = gnutls_record_recv(session, buffer, MAX_BUF);
if (ret == 0) {
if (debug)
success
("client: Peer has closed the TLS connection\n");
goto end;
} else if (ret < 0) {
fail("client: Error: %s\n", gnutls_strerror(ret));
goto end;
}
if (debug) {
printf("- Received %d bytes: ", ret);
for (ii = 0; ii < ret; ii++) {
fputc(buffer[ii], stdout);
}
fputs("\n", stdout);
}
gnutls_bye(session, GNUTLS_SHUT_RDWR);
end:
close(sd);
gnutls_deinit(session);
gnutls_psk_free_client_credentials(pskcred);
gnutls_global_deinit();
}
void
doit (void)
{
/* Server stuff. */
gnutls_anon_server_credentials_t s_anoncred;
const gnutls_datum_t p3 = { (char*) pkcs3, strlen (pkcs3) };
static gnutls_dh_params_t dh_params;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
/* Client stuff. */
gnutls_anon_client_credentials_t c_anoncred;
gnutls_session_t client;
int n, cret = GNUTLS_E_AGAIN;
/* Need to enable anonymous KX specifically. */
const int kx_prio[] = { GNUTLS_KX_ANON_DH, 0 };
char buffer[MAX_BUF + 1];
ssize_t ns;
int ret;
/* General init. */
gnutls_global_init ();
gnutls_global_set_log_function (tls_log_func);
if (debug)
gnutls_global_set_log_level (4711);
/* Init server */
gnutls_anon_allocate_server_credentials (&s_anoncred);
gnutls_dh_params_init (&dh_params);
gnutls_dh_params_import_pkcs3 (dh_params, &p3, GNUTLS_X509_FMT_PEM);
gnutls_anon_set_server_dh_params (s_anoncred, dh_params);
gnutls_init (&server, GNUTLS_SERVER);
gnutls_set_default_priority (server);
gnutls_kx_set_priority (server, kx_prio);
gnutls_credentials_set (server, GNUTLS_CRD_ANON, s_anoncred);
gnutls_dh_set_prime_bits (server, 1024);
gnutls_transport_set_push_function (server, server_push);
gnutls_transport_set_pull_function (server, server_pull);
gnutls_session_set_finished_function (server, server_finished_callback);
/* Init client */
gnutls_anon_allocate_client_credentials (&c_anoncred);
gnutls_init (&client, GNUTLS_CLIENT);
gnutls_set_default_priority (client);
gnutls_kx_set_priority (client, kx_prio);
gnutls_credentials_set (client, GNUTLS_CRD_ANON, c_anoncred);
gnutls_transport_set_push_function (client, client_push);
gnutls_transport_set_pull_function (client, client_pull);
gnutls_session_set_finished_function (client, client_finished_callback);
do
{
if (cret == GNUTLS_E_AGAIN)
{
success ("loop invoking client:\n");
cret = gnutls_handshake (client);
success ("client %d: %s\n", cret, gnutls_strerror (cret));
}
if (sret == GNUTLS_E_AGAIN)
{
success ("loop invoking server:\n");
sret = gnutls_handshake (server);
success ("server %d: %s\n", sret, gnutls_strerror (sret));
}
}
while (cret == GNUTLS_E_AGAIN || sret == GNUTLS_E_AGAIN);
success ("Handshake established\n");
ns = gnutls_record_send (client, MSG, strlen (MSG));
success ("client: sent %d\n", ns);
ret = gnutls_record_recv (server, buffer, MAX_BUF);
if (ret == 0)
fail ("server: didn't receive any data\n");
else if (ret < 0)
fail ("server: error: %s\n", gnutls_strerror (ret));
else
{
printf ("server: received %d: ", ret);
for (n = 0; n < ret; n++)
fputc (buffer[n], stdout);
fputs ("\n", stdout);
}
ns = gnutls_record_send (server, MSG, strlen (MSG));
success ("server: sent %d\n", ns);
ret = gnutls_record_recv (client, buffer, MAX_BUF);
if (ret == 0)
{
fail ("client: Peer has closed the TLS connection\n");
}
else if (ret < 0)
{
fail ("client: Error: %s\n", gnutls_strerror (ret));
}
else
{
printf ("client: received %d: ", ret);
for (n = 0; n < ret; n++)
fputc (buffer[n], stdout);
fputs ("\n", stdout);
}
gnutls_bye (client, GNUTLS_SHUT_RDWR);
gnutls_bye (server, GNUTLS_SHUT_RDWR);
gnutls_deinit (client);
gnutls_deinit (server);
free (to_server);
free (to_client);
gnutls_anon_free_client_credentials (c_anoncred);
gnutls_anon_free_server_credentials (s_anoncred);
gnutls_dh_params_deinit (dh_params);
gnutls_global_deinit ();
}
void doit(void)
{
/* Server stuff. */
gnutls_anon_server_credentials_t s_anoncred;
const gnutls_datum_t p3 =
{ (unsigned char *) pkcs3, strlen(pkcs3) };
static gnutls_dh_params_t dh_params;
gnutls_session_t server;
int sret, cret;
/* Client stuff. */
gnutls_anon_client_credentials_t c_anoncred;
gnutls_session_t client;
/* Need to enable anonymous KX specifically. */
char buffer[MAX_BUF + 1];
ssize_t ns;
int ret, transferred = 0, msglen;
/* General init. */
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(2);
/* Init server */
gnutls_anon_allocate_server_credentials(&s_anoncred);
gnutls_dh_params_init(&dh_params);
gnutls_dh_params_import_pkcs3(dh_params, &p3, GNUTLS_X509_FMT_PEM);
gnutls_anon_set_server_dh_params(s_anoncred, dh_params);
gnutls_init(&server, GNUTLS_SERVER);
ret =
gnutls_priority_set_direct(server,
"NONE:+VERS-TLS-ALL:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH",
NULL);
if (ret < 0)
exit(1);
gnutls_credentials_set(server, GNUTLS_CRD_ANON, s_anoncred);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
/* Init client */
gnutls_anon_allocate_client_credentials(&c_anoncred);
gnutls_init(&client, GNUTLS_CLIENT);
ret =
gnutls_priority_set_direct(client,
"NONE:+VERS-TLS-ALL:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH",
NULL);
if (ret < 0)
exit(1);
gnutls_credentials_set(client, GNUTLS_CRD_ANON, c_anoncred);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
handshake = 1;
HANDSHAKE(client, server);
handshake = 0;
if (debug)
success("Handshake established\n");
msglen = strlen(MSG);
TRANSFER(client, server, MSG, msglen, buffer, MAX_BUF);
if (debug)
fputs("\n", stdout);
gnutls_bye(client, GNUTLS_SHUT_WR);
gnutls_bye(server, GNUTLS_SHUT_WR);
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_anon_free_client_credentials(c_anoncred);
gnutls_anon_free_server_credentials(s_anoncred);
gnutls_dh_params_deinit(dh_params);
gnutls_global_deinit();
}
static void client(int sds[])
{
int ret, ii, j;
gnutls_session_t session;
char buffer[MAX_BUF + 1];
gnutls_certificate_credentials_t xcred;
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(9);
gnutls_certificate_allocate_credentials(&xcred);
/* sets the trusted cas file
*/
if (debug)
success("Setting key files...\n");
ret = gnutls_certificate_set_openpgp_key_mem(xcred, &cert, &key,
GNUTLS_OPENPGP_FMT_BASE64);
if (ret < 0) {
fail("Could not set key files...\n");
return;
}
for (j = 0; j < SESSIONS; j++) {
int sd = sds[j];
/* Initialize TLS session
*/
gnutls_init(&session, GNUTLS_CLIENT);
/* Use default priorities */
gnutls_priority_set_direct(session,
"NORMAL:+CTYPE-OPENPGP:+DHE-DSS:+DHE-DSS:+SIGN-DSA-SHA1:+SIGN-DSA-SHA256", NULL);
/* put the x509 credentials to the current session
*/
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
xcred);
gnutls_transport_set_int(session, sd);
/* Perform the TLS handshake
*/
ret = gnutls_handshake(session);
if (ret < 0) {
fail("client: Handshake %d failed\n", j);
gnutls_perror(ret);
goto end;
} else if (debug) {
success("client: Handshake %d was completed\n", j);
}
if (debug)
success("client: TLS version is: %s\n",
gnutls_protocol_get_name
(gnutls_protocol_get_version(session)));
/* see the Getting peer's information example */
if (debug)
print_info(session);
gnutls_record_send(session, MSG, strlen(MSG));
ret = gnutls_record_recv(session, buffer, MAX_BUF);
if (ret == 0) {
if (debug)
success
("client: Peer has closed the TLS connection\n");
goto end;
} else if (ret < 0) {
fail("client: Error: %s\n", gnutls_strerror(ret));
goto end;
}
if (debug) {
printf("- Received %d bytes: ", ret);
for (ii = 0; ii < ret; ii++) {
fputc(buffer[ii], stdout);
}
fputs("\n", stdout);
}
gnutls_bye(session, GNUTLS_SHUT_RDWR);
close(sd);
gnutls_deinit(session);
}
end:
gnutls_certificate_free_credentials(xcred);
gnutls_global_deinit();
}
int /* O - 0 on success, -1 on failure */
_httpTLSStart(http_t *http) /* I - Connection to server */
{
char hostname[256], /* Hostname */
*hostptr; /* Pointer into hostname */
int status; /* Status of handshake */
gnutls_certificate_credentials_t *credentials;
/* TLS credentials */
char priority_string[1024];
/* Priority string */
DEBUG_printf(("3_httpTLSStart(http=%p)", http));
if (tls_options < 0)
{
DEBUG_puts("4_httpTLSStart: Setting defaults.");
_cupsSetDefaults();
DEBUG_printf(("4_httpTLSStart: tls_options=%x", tls_options));
}
if (http->mode == _HTTP_MODE_SERVER && !tls_keypath)
{
DEBUG_puts("4_httpTLSStart: cupsSetServerCredentials not called.");
http->error = errno = EINVAL;
http->status = HTTP_STATUS_ERROR;
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Server credentials not set."), 1);
return (-1);
}
credentials = (gnutls_certificate_credentials_t *)
malloc(sizeof(gnutls_certificate_credentials_t));
if (credentials == NULL)
{
DEBUG_printf(("8_httpStartTLS: Unable to allocate credentials: %s",
strerror(errno)));
http->error = errno;
http->status = HTTP_STATUS_ERROR;
_cupsSetHTTPError(HTTP_STATUS_ERROR);
return (-1);
}
gnutls_certificate_allocate_credentials(credentials);
status = gnutls_init(&http->tls, http->mode == _HTTP_MODE_CLIENT ? GNUTLS_CLIENT : GNUTLS_SERVER);
if (!status)
status = gnutls_set_default_priority(http->tls);
if (status)
{
http->error = EIO;
http->status = HTTP_STATUS_ERROR;
DEBUG_printf(("4_httpTLSStart: Unable to initialize common TLS parameters: %s", gnutls_strerror(status)));
_cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, gnutls_strerror(status), 0);
gnutls_deinit(http->tls);
gnutls_certificate_free_credentials(*credentials);
free(credentials);
http->tls = NULL;
return (-1);
}
if (http->mode == _HTTP_MODE_CLIENT)
{
/*
* Client: get the hostname to use for TLS...
*/
if (httpAddrLocalhost(http->hostaddr))
{
strlcpy(hostname, "localhost", sizeof(hostname));
}
else
{
/*
* Otherwise make sure the hostname we have does not end in a trailing dot.
*/
strlcpy(hostname, http->hostname, sizeof(hostname));
if ((hostptr = hostname + strlen(hostname) - 1) >= hostname &&
*hostptr == '.')
*hostptr = '\0';
}
status = gnutls_server_name_set(http->tls, GNUTLS_NAME_DNS, hostname, strlen(hostname));
}
else
{
/*
* Server: get certificate and private key...
*/
char crtfile[1024], /* Certificate file */
keyfile[1024]; /* Private key file */
int have_creds = 0; /* Have credentials? */
if (http->fields[HTTP_FIELD_HOST][0])
{
/*
* Use hostname for TLS upgrade...
*/
strlcpy(hostname, http->fields[HTTP_FIELD_HOST], sizeof(hostname));
}
else
{
/*
* Resolve hostname from connection address...
*/
http_addr_t addr; /* Connection address */
socklen_t addrlen; /* Length of address */
addrlen = sizeof(addr);
if (getsockname(http->fd, (struct sockaddr *)&addr, &addrlen))
{
DEBUG_printf(("4_httpTLSStart: Unable to get socket address: %s", strerror(errno)));
hostname[0] = '\0';
}
else if (httpAddrLocalhost(&addr))
hostname[0] = '\0';
else
{
httpAddrLookup(&addr, hostname, sizeof(hostname));
DEBUG_printf(("4_httpTLSStart: Resolved socket address to \"%s\".", hostname));
}
}
if (isdigit(hostname[0] & 255) || hostname[0] == '[')
hostname[0] = '\0'; /* Don't allow numeric addresses */
if (hostname[0])
{
http_gnutls_make_path(crtfile, sizeof(crtfile), tls_keypath, hostname, "crt");
http_gnutls_make_path(keyfile, sizeof(keyfile), tls_keypath, hostname, "key");
have_creds = !access(crtfile, 0) && !access(keyfile, 0);
}
else if (tls_common_name)
{
http_gnutls_make_path(crtfile, sizeof(crtfile), tls_keypath, tls_common_name, "crt");
http_gnutls_make_path(keyfile, sizeof(keyfile), tls_keypath, tls_common_name, "key");
have_creds = !access(crtfile, 0) && !access(keyfile, 0);
}
if (!have_creds && tls_auto_create && (hostname[0] || tls_common_name))
{
DEBUG_printf(("4_httpTLSStart: Auto-create credentials for \"%s\".", hostname[0] ? hostname : tls_common_name));
if (!cupsMakeServerCredentials(tls_keypath, hostname[0] ? hostname : tls_common_name, 0, NULL, time(NULL) + 365 * 86400))
{
DEBUG_puts("4_httpTLSStart: cupsMakeServerCredentials failed.");
http->error = errno = EINVAL;
http->status = HTTP_STATUS_ERROR;
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to create server credentials."), 1);
return (-1);
}
}
DEBUG_printf(("4_httpTLSStart: Using certificate \"%s\" and private key \"%s\".", crtfile, keyfile));
status = gnutls_certificate_set_x509_key_file(*credentials, crtfile, keyfile, GNUTLS_X509_FMT_PEM);
}
if (!status)
status = gnutls_credentials_set(http->tls, GNUTLS_CRD_CERTIFICATE, *credentials);
if (status)
{
http->error = EIO;
http->status = HTTP_STATUS_ERROR;
DEBUG_printf(("4_httpTLSStart: Unable to complete client/server setup: %s", gnutls_strerror(status)));
_cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, gnutls_strerror(status), 0);
gnutls_deinit(http->tls);
gnutls_certificate_free_credentials(*credentials);
free(credentials);
http->tls = NULL;
return (-1);
}
strlcpy(priority_string, "NORMAL", sizeof(priority_string));
if (tls_options & _HTTP_TLS_DENY_TLS10)
strlcat(priority_string, ":+VERS-TLS-ALL:-VERS-TLS1.0:-VERS-SSL3.0", sizeof(priority_string));
else if (tls_options & _HTTP_TLS_ALLOW_SSL3)
strlcat(priority_string, ":+VERS-TLS-ALL", sizeof(priority_string));
else
strlcat(priority_string, ":+VERS-TLS-ALL:-VERS-SSL3.0", sizeof(priority_string));
if (!(tls_options & _HTTP_TLS_ALLOW_RC4))
strlcat(priority_string, ":-ARCFOUR-128", sizeof(priority_string));
if (!(tls_options & _HTTP_TLS_ALLOW_DH))
strlcat(priority_string, ":!ANON-DH", sizeof(priority_string));
#ifdef HAVE_GNUTLS_PRIORITY_SET_DIRECT
gnutls_priority_set_direct(http->tls, priority_string, NULL);
#else
gnutls_priority_t priority; /* Priority */
gnutls_priority_init(&priority, priority_string, NULL);
gnutls_priority_set(http->tls, priority);
gnutls_priority_deinit(priority);
#endif /* HAVE_GNUTLS_PRIORITY_SET_DIRECT */
gnutls_transport_set_ptr(http->tls, (gnutls_transport_ptr_t)http);
gnutls_transport_set_pull_function(http->tls, http_gnutls_read);
#ifdef HAVE_GNUTLS_TRANSPORT_SET_PULL_TIMEOUT_FUNCTION
gnutls_transport_set_pull_timeout_function(http->tls, (gnutls_pull_timeout_func)httpWait);
#endif /* HAVE_GNUTLS_TRANSPORT_SET_PULL_TIMEOUT_FUNCTION */
gnutls_transport_set_push_function(http->tls, http_gnutls_write);
while ((status = gnutls_handshake(http->tls)) != GNUTLS_E_SUCCESS)
{
DEBUG_printf(("5_httpStartTLS: gnutls_handshake returned %d (%s)",
status, gnutls_strerror(status)));
if (gnutls_error_is_fatal(status))
{
http->error = EIO;
http->status = HTTP_STATUS_ERROR;
_cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, gnutls_strerror(status), 0);
gnutls_deinit(http->tls);
gnutls_certificate_free_credentials(*credentials);
free(credentials);
http->tls = NULL;
return (-1);
}
}
http->tls_credentials = credentials;
return (0);
}
/**
* tls_negotiate - Negotiate TLS connection
* @param conn Connection to a server
* @retval 0 Success
* @retval -1 Error
*
* After TLS state has been initialized, attempt to negotiate TLS over the
* wire, including certificate checks.
*/
static int tls_negotiate(struct Connection *conn)
{
struct TlsSockData *data = mutt_mem_calloc(1, sizeof(struct TlsSockData));
conn->sockdata = data;
int err = gnutls_certificate_allocate_credentials(&data->xcred);
if (err < 0)
{
FREE(&conn->sockdata);
mutt_error("gnutls_certificate_allocate_credentials: %s", gnutls_strerror(err));
return -1;
}
gnutls_certificate_set_x509_trust_file(data->xcred, C_CertificateFile, GNUTLS_X509_FMT_PEM);
/* ignore errors, maybe file doesn't exist yet */
if (C_SslCaCertificatesFile)
{
gnutls_certificate_set_x509_trust_file(data->xcred, C_SslCaCertificatesFile,
GNUTLS_X509_FMT_PEM);
}
if (C_SslClientCert)
{
mutt_debug(LL_DEBUG2, "Using client certificate %s\n", C_SslClientCert);
gnutls_certificate_set_x509_key_file(data->xcred, C_SslClientCert,
C_SslClientCert, GNUTLS_X509_FMT_PEM);
}
#ifdef HAVE_DECL_GNUTLS_VERIFY_DISABLE_TIME_CHECKS
/* disable checking certificate activation/expiration times
* in gnutls, we do the checks ourselves */
gnutls_certificate_set_verify_flags(data->xcred, GNUTLS_VERIFY_DISABLE_TIME_CHECKS);
#endif
err = gnutls_init(&data->state, GNUTLS_CLIENT);
if (err)
{
mutt_error("gnutls_handshake: %s", gnutls_strerror(err));
goto fail;
}
/* set socket */
gnutls_transport_set_ptr(data->state, (gnutls_transport_ptr_t)(long) conn->fd);
if (gnutls_server_name_set(data->state, GNUTLS_NAME_DNS, conn->account.host,
mutt_str_strlen(conn->account.host)))
{
mutt_error(_("Warning: unable to set TLS SNI host name"));
}
if (tls_set_priority(data) < 0)
{
goto fail;
}
if (C_SslMinDhPrimeBits > 0)
{
gnutls_dh_set_prime_bits(data->state, C_SslMinDhPrimeBits);
}
/* gnutls_set_cred (data->state, GNUTLS_ANON, NULL); */
gnutls_credentials_set(data->state, GNUTLS_CRD_CERTIFICATE, data->xcred);
err = gnutls_handshake(data->state);
while (err == GNUTLS_E_AGAIN)
{
err = gnutls_handshake(data->state);
}
if (err < 0)
{
if (err == GNUTLS_E_FATAL_ALERT_RECEIVED)
{
mutt_error("gnutls_handshake: %s(%s)", gnutls_strerror(err),
gnutls_alert_get_name(gnutls_alert_get(data->state)));
}
else
{
mutt_error("gnutls_handshake: %s", gnutls_strerror(err));
}
goto fail;
}
if (tls_check_certificate(conn) == 0)
goto fail;
/* set Security Strength Factor (SSF) for SASL */
/* NB: gnutls_cipher_get_key_size() returns key length in bytes */
conn->ssf = gnutls_cipher_get_key_size(gnutls_cipher_get(data->state)) * 8;
tls_get_client_cert(conn);
if (!OptNoCurses)
{
mutt_message(_("SSL/TLS connection using %s (%s/%s/%s)"),
gnutls_protocol_get_name(gnutls_protocol_get_version(data->state)),
gnutls_kx_get_name(gnutls_kx_get(data->state)),
gnutls_cipher_get_name(gnutls_cipher_get(data->state)),
gnutls_mac_get_name(gnutls_mac_get(data->state)));
mutt_sleep(0);
}
return 0;
fail:
gnutls_certificate_free_credentials(data->xcred);
gnutls_deinit(data->state);
FREE(&conn->sockdata);
return -1;
}
void doit(void)
{
/* Server stuff. */
gnutls_anon_server_credentials_t s_anoncred;
const gnutls_datum_t p3 =
{ (unsigned char *) pkcs3, strlen(pkcs3) };
static gnutls_dh_params_t dh_params;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
/* Client stuff. */
gnutls_anon_client_credentials_t c_anoncred;
gnutls_session_t client;
int cret = GNUTLS_E_AGAIN, i;
/* Need to enable anonymous KX specifically. */
ssize_t ns;
int ret, transferred = 0;
/* General init. */
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
/* Init server */
gnutls_anon_allocate_server_credentials(&s_anoncred);
gnutls_dh_params_init(&dh_params);
gnutls_dh_params_import_pkcs3(dh_params, &p3, GNUTLS_X509_FMT_PEM);
gnutls_anon_set_server_dh_params(s_anoncred, dh_params);
gnutls_init(&server, GNUTLS_SERVER);
gnutls_priority_set_direct(server,
"NONE:+VERS-TLS-ALL:+ARCFOUR-128:+MAC-ALL:+SIGN-ALL:+COMP-NULL:+ANON-DH",
NULL);
gnutls_credentials_set(server, GNUTLS_CRD_ANON, s_anoncred);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
/* Init client */
gnutls_anon_allocate_client_credentials(&c_anoncred);
gnutls_init(&client, GNUTLS_CLIENT);
gnutls_priority_set_direct(client,
"NONE:+VERS-TLS-ALL:+CIPHER-ALL:+ARCFOUR-128:+MAC-ALL:+SIGN-ALL:+COMP-NULL:+ANON-DH",
NULL);
gnutls_credentials_set(client, GNUTLS_CRD_ANON, c_anoncred);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
memset(b1, 0, sizeof(b1));
HANDSHAKE(client, server);
if (debug)
success("Handshake established\n");
memset(b1, 1, MAX_BUF);
/* try the maximum allowed */
ret = gnutls_record_send(client, b1, MAX_BUF);
if (ret < 0) {
fprintf(stderr, "Error sending %d bytes: %s\n",
(int) MAX_BUF, gnutls_strerror(ret));
exit(1);
}
if (ret != MAX_BUF) {
fprintf(stderr, "Couldn't send %d bytes\n", (int) MAX_BUF);
exit(1);
}
ret = gnutls_record_recv(server, buffer, MAX_BUF);
if (ret < 0) {
fprintf(stderr, "Error receiving %d bytes: %s\n",
(int) MAX_BUF, gnutls_strerror(ret));
exit(1);
}
if (ret != MAX_BUF) {
fprintf(stderr, "Couldn't receive %d bytes, received %d\n",
(int) MAX_BUF, ret);
exit(1);
}
if (memcmp(b1, buffer, MAX_BUF) != 0) {
fprintf(stderr, "Buffers do not match!\n");
exit(1);
}
/* Try sending various other sizes */
for (i = 1; i < 128; i++) {
TRANSFER(client, server, b1, i, buffer, MAX_BUF);
}
if (debug)
fputs("\n", stdout);
gnutls_bye(client, GNUTLS_SHUT_RDWR);
gnutls_bye(server, GNUTLS_SHUT_RDWR);
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_anon_free_client_credentials(c_anoncred);
gnutls_anon_free_server_credentials(s_anoncred);
gnutls_dh_params_deinit(dh_params);
gnutls_global_deinit();
}
/* initializes a gnutls_session_t with some defaults.
*/
static gnutls_session_t
init_tls_session (const char *hostname)
{
const char *err;
int ret;
gnutls_session_t session;
if (priorities == NULL)
priorities = "NORMAL";
if (udp)
{
gnutls_init (&session, GNUTLS_CLIENT|GNUTLS_DATAGRAM);
if (mtu)
gnutls_dtls_set_mtu(session, mtu);
}
else
gnutls_init (&session, GNUTLS_CLIENT);
if ((ret = gnutls_priority_set_direct (session, priorities, &err)) < 0)
{
if (ret == GNUTLS_E_INVALID_REQUEST) fprintf (stderr, "Syntax error at: %s\n", err);
else
fprintf(stderr, "Error in priorities: %s\n", gnutls_strerror(ret));
exit (1);
}
/* allow the use of private ciphersuites.
*/
if (disable_extensions == 0)
{
if (!isdigit(hostname[0]) && strchr(hostname, ':') == 0)
gnutls_server_name_set (session, GNUTLS_NAME_DNS, hostname,
strlen (hostname));
}
gnutls_dh_set_prime_bits (session, 512);
gnutls_credentials_set (session, GNUTLS_CRD_ANON, anon_cred);
if (srp_cred)
gnutls_credentials_set (session, GNUTLS_CRD_SRP, srp_cred);
if (psk_cred)
gnutls_credentials_set (session, GNUTLS_CRD_PSK, psk_cred);
gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, xcred);
gnutls_certificate_set_retrieve_function2 (xcred, cert_callback);
gnutls_certificate_set_verify_function (xcred, cert_verify_callback);
gnutls_certificate_set_verify_flags (xcred, 0);
/* send the fingerprint */
#ifdef ENABLE_OPENPGP
if (fingerprint != 0)
gnutls_openpgp_send_cert (session, GNUTLS_OPENPGP_CERT_FINGERPRINT);
#endif
/* use the max record size extension */
if (record_max_size > 0 && disable_extensions == 0)
{
if (gnutls_record_set_max_size (session, record_max_size) < 0)
{
fprintf (stderr,
"Cannot set the maximum record size to %d.\n",
record_max_size);
fprintf (stderr, "Possible values: 512, 1024, 2048, 4096.\n");
exit (1);
}
}
#ifdef ENABLE_SESSION_TICKET
if (disable_extensions == 0 && !HAVE_OPT(NOTICKET)t)
gnutls_session_ticket_enable_client (session);
#endif
return session;
}
static CURLcode
gtls_connect_step1(struct connectdata *conn,
int sockindex)
{
#ifndef USE_GNUTLS_PRIORITY_SET_DIRECT
static const int cert_type_priority[] = { GNUTLS_CRT_X509, 0 };
#endif
struct SessionHandle *data = conn->data;
gnutls_session session;
int rc;
void *ssl_sessionid;
size_t ssl_idsize;
bool sni = TRUE; /* default is SNI enabled */
#ifdef ENABLE_IPV6
struct in6_addr addr;
#else
struct in_addr addr;
#endif
if(conn->ssl[sockindex].state == ssl_connection_complete)
/* to make us tolerant against being called more than once for the
same connection */
return CURLE_OK;
if(!gtls_inited)
Curl_gtls_init();
/* GnuTLS only supports SSLv3 and TLSv1 */
if(data->set.ssl.version == CURL_SSLVERSION_SSLv2) {
failf(data, "GnuTLS does not support SSLv2");
return CURLE_SSL_CONNECT_ERROR;
}
else if(data->set.ssl.version == CURL_SSLVERSION_SSLv3)
sni = FALSE; /* SSLv3 has no SNI */
/* allocate a cred struct */
rc = gnutls_certificate_allocate_credentials(&conn->ssl[sockindex].cred);
if(rc != GNUTLS_E_SUCCESS) {
failf(data, "gnutls_cert_all_cred() failed: %s", gnutls_strerror(rc));
return CURLE_SSL_CONNECT_ERROR;
}
#ifdef USE_TLS_SRP
if(data->set.ssl.authtype == CURL_TLSAUTH_SRP) {
infof(data, "Using TLS-SRP username: %s\n", data->set.ssl.username);
rc = gnutls_srp_allocate_client_credentials(
&conn->ssl[sockindex].srp_client_cred);
if(rc != GNUTLS_E_SUCCESS) {
failf(data, "gnutls_srp_allocate_client_cred() failed: %s",
gnutls_strerror(rc));
return CURLE_OUT_OF_MEMORY;
}
rc = gnutls_srp_set_client_credentials(conn->ssl[sockindex].
srp_client_cred,
data->set.ssl.username,
data->set.ssl.password);
if(rc != GNUTLS_E_SUCCESS) {
failf(data, "gnutls_srp_set_client_cred() failed: %s",
gnutls_strerror(rc));
return CURLE_BAD_FUNCTION_ARGUMENT;
}
}
#endif
if(data->set.ssl.CAfile) {
/* set the trusted CA cert bundle file */
gnutls_certificate_set_verify_flags(conn->ssl[sockindex].cred,
GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT);
rc = gnutls_certificate_set_x509_trust_file(conn->ssl[sockindex].cred,
data->set.ssl.CAfile,
GNUTLS_X509_FMT_PEM);
if(rc < 0) {
infof(data, "error reading ca cert file %s (%s)\n",
data->set.ssl.CAfile, gnutls_strerror(rc));
if(data->set.ssl.verifypeer)
return CURLE_SSL_CACERT_BADFILE;
}
else
infof(data, "found %d certificates in %s\n",
rc, data->set.ssl.CAfile);
}
if(data->set.ssl.CRLfile) {
/* set the CRL list file */
rc = gnutls_certificate_set_x509_crl_file(conn->ssl[sockindex].cred,
data->set.ssl.CRLfile,
GNUTLS_X509_FMT_PEM);
if(rc < 0) {
failf(data, "error reading crl file %s (%s)",
data->set.ssl.CRLfile, gnutls_strerror(rc));
return CURLE_SSL_CRL_BADFILE;
}
else
infof(data, "found %d CRL in %s\n",
rc, data->set.ssl.CRLfile);
}
/* Initialize TLS session as a client */
rc = gnutls_init(&conn->ssl[sockindex].session, GNUTLS_CLIENT);
if(rc != GNUTLS_E_SUCCESS) {
failf(data, "gnutls_init() failed: %d", rc);
return CURLE_SSL_CONNECT_ERROR;
}
/* convenient assign */
session = conn->ssl[sockindex].session;
if((0 == Curl_inet_pton(AF_INET, conn->host.name, &addr)) &&
#ifdef ENABLE_IPV6
(0 == Curl_inet_pton(AF_INET6, conn->host.name, &addr)) &&
#endif
sni &&
(gnutls_server_name_set(session, GNUTLS_NAME_DNS, conn->host.name,
strlen(conn->host.name)) < 0))
infof(data, "WARNING: failed to configure server name indication (SNI) "
"TLS extension\n");
/* Use default priorities */
rc = gnutls_set_default_priority(session);
if(rc != GNUTLS_E_SUCCESS)
return CURLE_SSL_CONNECT_ERROR;
if(data->set.ssl.version == CURL_SSLVERSION_SSLv3) {
#ifndef USE_GNUTLS_PRIORITY_SET_DIRECT
static const int protocol_priority[] = { GNUTLS_SSL3, 0 };
rc = gnutls_protocol_set_priority(session, protocol_priority);
#else
const char *err;
/* the combination of the cipher ARCFOUR with SSL 3.0 and TLS 1.0 is not
vulnerable to attacks such as the BEAST, why this code now explicitly
asks for that
*/
rc = gnutls_priority_set_direct(session,
"NORMAL:-VERS-TLS-ALL:+VERS-SSL3.0:"
"-CIPHER-ALL:+ARCFOUR-128",
&err);
#endif
if(rc != GNUTLS_E_SUCCESS)
return CURLE_SSL_CONNECT_ERROR;
}
#ifndef USE_GNUTLS_PRIORITY_SET_DIRECT
/* Sets the priority on the certificate types supported by gnutls. Priority
is higher for types specified before others. After specifying the types
you want, you must append a 0. */
rc = gnutls_certificate_type_set_priority(session, cert_type_priority);
if(rc != GNUTLS_E_SUCCESS)
return CURLE_SSL_CONNECT_ERROR;
#endif
if(data->set.str[STRING_CERT]) {
if(gnutls_certificate_set_x509_key_file(
conn->ssl[sockindex].cred,
data->set.str[STRING_CERT],
data->set.str[STRING_KEY] ?
data->set.str[STRING_KEY] : data->set.str[STRING_CERT],
do_file_type(data->set.str[STRING_CERT_TYPE]) ) !=
GNUTLS_E_SUCCESS) {
failf(data, "error reading X.509 key or certificate file");
return CURLE_SSL_CONNECT_ERROR;
}
}
#ifdef USE_TLS_SRP
/* put the credentials to the current session */
if(data->set.ssl.authtype == CURL_TLSAUTH_SRP) {
rc = gnutls_credentials_set(session, GNUTLS_CRD_SRP,
conn->ssl[sockindex].srp_client_cred);
if(rc != GNUTLS_E_SUCCESS)
failf(data, "gnutls_credentials_set() failed: %s", gnutls_strerror(rc));
}
else
#endif
rc = gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
conn->ssl[sockindex].cred);
/* set the connection handle (file descriptor for the socket) */
gnutls_transport_set_ptr(session,
GNUTLS_INT_TO_POINTER_CAST(conn->sock[sockindex]));
/* register callback functions to send and receive data. */
gnutls_transport_set_push_function(session, Curl_gtls_push);
gnutls_transport_set_pull_function(session, Curl_gtls_pull);
/* lowat must be set to zero when using custom push and pull functions. */
gnutls_transport_set_lowat(session, 0);
/* This might be a reconnect, so we check for a session ID in the cache
to speed up things */
if(!Curl_ssl_getsessionid(conn, &ssl_sessionid, &ssl_idsize)) {
/* we got a session id, use it! */
gnutls_session_set_data(session, ssl_sessionid, ssl_idsize);
/* Informational message */
infof (data, "SSL re-using session ID\n");
}
return CURLE_OK;
}
int
main (int argc, char **argv)
{
int err, ret;
int sd, i;
gnutls_session_t state;
char buffer[MAX_BUF + 1];
char portname[6];
struct addrinfo hints, *res, *ptr;
cmd_parser(argc, argv);
#ifndef _WIN32
signal (SIGPIPE, SIG_IGN);
#endif
sockets_init ();
if (gnutls_global_init () < 0)
{
fprintf (stderr, "global state initialization error\n");
exit (1);
}
gnutls_global_set_log_function (tls_log_func);
gnutls_global_set_log_level (debug);
printf ("Resolving '%s'...\n", hostname);
/* get server name */
memset (&hints, 0, sizeof (hints));
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = 0;
snprintf (portname, sizeof (portname), "%d", port);
if ((err = getaddrinfo (hostname, portname, &hints, &res)) != 0)
{
fprintf (stderr, "Cannot resolve %s: %s\n", hostname,
gai_strerror (err));
exit (1);
}
/* X509 stuff */
if (gnutls_certificate_allocate_credentials (&xcred) < 0)
{ /* space for 2 certificates */
fprintf (stderr, "memory error\n");
exit (1);
}
/* SRP stuff */
#ifdef ENABLE_SRP
if (gnutls_srp_allocate_client_credentials (&srp_cred) < 0)
{
fprintf (stderr, "memory error\n");
exit (1);
}
#endif
#ifdef ENABLE_ANON
/* ANON stuff */
if (gnutls_anon_allocate_client_credentials (&anon_cred) < 0)
{
fprintf (stderr, "memory error\n");
exit (1);
}
#endif
i = 0;
do
{
if (tls_tests[i].test_name == NULL)
break; /* finished */
/* if neither of SSL3 and TLSv1 are supported, exit
*/
if (i > 6 && tls1_1_ok == 0 && tls1_ok == 0 && ssl3_ok == 0)
{
fprintf (stderr,
"\nServer does not support any of SSL 3.0, TLS 1.0 and TLS 1.1\n");
break;
}
sd = -1;
for (ptr = res; ptr != NULL; ptr = ptr->ai_next)
{
sd = socket (ptr->ai_family, ptr->ai_socktype, ptr->ai_protocol);
if (sd == -1)
{
continue;
}
getnameinfo (ptr->ai_addr, ptr->ai_addrlen, buffer, MAX_BUF,
NULL, 0, NI_NUMERICHOST);
if (tt == 0)
{
printf ("Connecting to '%s:%d'...\n", buffer, port);
tt = 1;
}
if ((err = connect (sd, ptr->ai_addr, ptr->ai_addrlen)) != 0)
{
close (sd);
sd = -1;
continue;
}
else
break;
}
ERR (err, "connect");
gnutls_init (&state, GNUTLS_CLIENT|GNUTLS_NO_EXTENSIONS);
gnutls_transport_set_ptr (state, (gnutls_transport_ptr_t)
gl_fd_to_handle (sd));
if (hostname && !isdigit(hostname[0]) && strchr(hostname, ':') == 0)
gnutls_server_name_set (state, GNUTLS_NAME_DNS, hostname,
strlen (hostname));
do
{
printf ("Checking %s...", tls_tests[i].test_name);
fflush(stdout);
ret = tls_tests[i].func (state);
if (ret == TEST_SUCCEED)
printf (" %s\n", tls_tests[i].suc_str);
else if (ret == TEST_FAILED)
printf (" %s\n", tls_tests[i].fail_str);
else if (ret == TEST_UNSURE)
printf (" %s\n", tls_tests[i].unsure_str);
else if (ret == TEST_IGNORE)
{
printf (" N/A\n");
i++;
}
}
while (ret == TEST_IGNORE && tls_tests[i].test_name != NULL);
gnutls_deinit (state);
shutdown (sd, SHUT_RDWR); /* no more receptions */
close (sd);
i++;
}
while (1);
freeaddrinfo (res);
#ifdef ENABLE_SRP
gnutls_srp_free_client_credentials (srp_cred);
#endif
gnutls_certificate_free_credentials (xcred);
#ifdef ENABLE_ANON
gnutls_anon_free_client_credentials (anon_cred);
#endif
gnutls_global_deinit ();
return 0;
}
void
network_connect_with_fork (struct t_hook *hook_connect)
{
int child_pipe[2];
#ifdef HAVE_GNUTLS
int rc;
const char *pos_error;
#endif
pid_t pid;
#ifdef HAVE_GNUTLS
/* initialize GnuTLS if SSL asked */
if (HOOK_CONNECT(hook_connect, gnutls_sess))
{
if (gnutls_init (HOOK_CONNECT(hook_connect, gnutls_sess), GNUTLS_CLIENT) != GNUTLS_E_SUCCESS)
{
(void) (HOOK_CONNECT(hook_connect, callback))
(hook_connect->callback_data,
WEECHAT_HOOK_CONNECT_GNUTLS_INIT_ERROR,
0, NULL, NULL);
unhook (hook_connect);
return;
}
rc = gnutls_priority_set_direct (*HOOK_CONNECT(hook_connect, gnutls_sess),
HOOK_CONNECT(hook_connect, gnutls_priorities),
&pos_error);
if (rc != GNUTLS_E_SUCCESS)
{
(void) (HOOK_CONNECT(hook_connect, callback))
(hook_connect->callback_data,
WEECHAT_HOOK_CONNECT_GNUTLS_INIT_ERROR,
0, _("invalid priorities"), NULL);
unhook (hook_connect);
return;
}
gnutls_credentials_set (*HOOK_CONNECT(hook_connect, gnutls_sess),
GNUTLS_CRD_CERTIFICATE,
gnutls_xcred);
gnutls_transport_set_ptr (*HOOK_CONNECT(hook_connect, gnutls_sess),
(gnutls_transport_ptr) ((unsigned long) HOOK_CONNECT(hook_connect, sock)));
}
#endif
/* create pipe for child process */
if (pipe (child_pipe) < 0)
{
(void) (HOOK_CONNECT(hook_connect, callback))
(hook_connect->callback_data,
WEECHAT_HOOK_CONNECT_MEMORY_ERROR,
0, NULL, NULL);
unhook (hook_connect);
return;
}
HOOK_CONNECT(hook_connect, child_read) = child_pipe[0];
HOOK_CONNECT(hook_connect, child_write) = child_pipe[1];
switch (pid = fork ())
{
/* fork failed */
case -1:
(void) (HOOK_CONNECT(hook_connect, callback))
(hook_connect->callback_data,
WEECHAT_HOOK_CONNECT_MEMORY_ERROR,
0, NULL, NULL);
unhook (hook_connect);
return;
/* child process */
case 0:
setuid (getuid ());
close (HOOK_CONNECT(hook_connect, child_read));
network_connect_child (hook_connect);
_exit (EXIT_SUCCESS);
}
/* parent process */
HOOK_CONNECT(hook_connect, child_pid) = pid;
close (HOOK_CONNECT(hook_connect, child_write));
HOOK_CONNECT(hook_connect, child_write) = -1;
HOOK_CONNECT(hook_connect, hook_child_timer) = hook_timer (hook_connect->plugin,
CONFIG_INTEGER(config_network_connection_timeout) * 1000,
0, 1,
&network_connect_child_timer_cb,
hook_connect);
HOOK_CONNECT(hook_connect, hook_fd) = hook_fd (hook_connect->plugin,
HOOK_CONNECT(hook_connect, child_read),
1, 0, 0,
&network_connect_child_read_cb,
hook_connect);
}
void
doit ()
{
int err;
int sockets[2];
const char *srcdir;
char *pub_key_path, *priv_key_path;
pid_t child;
gnutls_global_init ();
srcdir = getenv ("srcdir") ? getenv ("srcdir") : ".";
if (debug)
{
gnutls_global_set_log_level (10);
gnutls_global_set_log_function (log_message);
}
err = socketpair (PF_UNIX, SOCK_STREAM, 0, sockets);
if (err != 0)
fail ("socketpair %s\n", strerror (errno));
pub_key_path = alloca (strlen (srcdir) + strlen (pub_key_file) + 2);
strcpy (pub_key_path, srcdir);
strcat (pub_key_path, "/");
strcat (pub_key_path, pub_key_file);
priv_key_path = alloca (strlen (srcdir) + strlen (priv_key_file) + 2);
strcpy (priv_key_path, srcdir);
strcat (priv_key_path, "/");
strcat (priv_key_path, priv_key_file);
child = fork ();
if (child == -1)
fail ("fork %s\n", strerror (errno));
if (child == 0)
{
/* Child process (client). */
gnutls_session_t session;
gnutls_certificate_credentials_t cred;
ssize_t sent;
if (debug)
printf ("client process %i\n", getpid ());
err = gnutls_init (&session, GNUTLS_CLIENT);
if (err != 0)
fail ("client session %d\n", err);
gnutls_priority_set_direct (session, "NONE:+VERS-TLS1.2:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+DHE-DSS:+DHE-RSA:+CTYPE-OPENPGP", NULL);
gnutls_transport_set_ptr (session,
(gnutls_transport_ptr_t) (intptr_t)
sockets[0]);
err = gnutls_certificate_allocate_credentials (&cred);
if (err != 0)
fail ("client credentials %d\n", err);
err =
gnutls_certificate_set_openpgp_key_file2 (cred,
pub_key_path, priv_key_path,
key_id,
GNUTLS_OPENPGP_FMT_BASE64);
if (err != 0)
fail ("client openpgp keys %d\n", err);
err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, cred);
if (err != 0)
fail ("client credential_set %d\n", err);
gnutls_dh_set_prime_bits (session, 1024);
err = gnutls_handshake (session);
if (err != 0)
fail ("client handshake %s (%d) \n", gnutls_strerror(err), err);
else if (debug)
printf ("client handshake successful\n");
sent = gnutls_record_send (session, message, sizeof (message));
if (sent != sizeof (message))
fail ("client sent %li vs. %li\n",
(long) sent, (long) sizeof (message));
err = gnutls_bye (session, GNUTLS_SHUT_RDWR);
if (err != 0)
fail ("client bye %d\n", err);
if (debug)
printf ("client done\n");
gnutls_deinit(session);
gnutls_certificate_free_credentials (cred);
}
else
{
/* Parent process (server). */
gnutls_session_t session;
gnutls_dh_params_t dh_params;
gnutls_certificate_credentials_t cred;
char greetings[sizeof (message) * 2];
ssize_t received;
pid_t done;
int status;
const gnutls_datum_t p3 = { (char *) pkcs3, strlen (pkcs3) };
if (debug)
printf ("server process %i (child %i)\n", getpid (), child);
err = gnutls_init (&session, GNUTLS_SERVER);
if (err != 0)
fail ("server session %d\n", err);
gnutls_priority_set_direct (session, "NONE:+VERS-TLS1.2:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+DHE-DSS:+DHE-RSA:+CTYPE-OPENPGP", NULL);
gnutls_transport_set_ptr (session,
(gnutls_transport_ptr_t) (intptr_t)
sockets[1]);
err = gnutls_certificate_allocate_credentials (&cred);
if (err != 0)
fail ("server credentials %d\n", err);
err =
gnutls_certificate_set_openpgp_key_file2 (cred,
pub_key_path, priv_key_path,
key_id,
GNUTLS_OPENPGP_FMT_BASE64);
if (err != 0)
fail ("server openpgp keys %d\n", err);
err = gnutls_dh_params_init (&dh_params);
if (err)
fail ("server DH params init %d\n", err);
err =
gnutls_dh_params_import_pkcs3 (dh_params, &p3, GNUTLS_X509_FMT_PEM);
if (err)
fail ("server DH params generate %d\n", err);
gnutls_certificate_set_dh_params (cred, dh_params);
err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, cred);
if (err != 0)
fail ("server credential_set %d\n", err);
gnutls_certificate_server_set_request (session, GNUTLS_CERT_REQUIRE);
err = gnutls_handshake (session);
if (err != 0)
fail ("server handshake %s (%d) \n", gnutls_strerror(err), err);
received = gnutls_record_recv (session, greetings, sizeof (greetings));
if (received != sizeof (message)
|| memcmp (greetings, message, sizeof (message)))
fail ("server received %li vs. %li\n",
(long) received, (long) sizeof (message));
err = gnutls_bye (session, GNUTLS_SHUT_RDWR);
if (err != 0)
fail ("server bye %s (%d) \n", gnutls_strerror(err), err);
if (debug)
printf ("server done\n");
gnutls_deinit(session);
gnutls_certificate_free_credentials (cred);
gnutls_dh_params_deinit (dh_params);
done = wait (&status);
if (done < 0)
fail ("wait %s\n", strerror (errno));
if (done != child)
fail ("who's that?! %d\n", done);
if (WIFEXITED (status))
{
if (WEXITSTATUS (status) != 0)
fail ("child exited with status %d\n", WEXITSTATUS (status));
}
else if (WIFSIGNALED (status))
fail ("child stopped by signal %d\n", WTERMSIG (status));
else
fail ("child failed: %d\n", status);
}
}
static void client(int sd)
{
int ret, ii;
gnutls_session_t session;
char buffer[MAX_BUF + 1];
gnutls_certificate_credentials_t xcred;
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
gnutls_certificate_allocate_credentials(&xcred);
/* sets the trusted cas file
*/
gnutls_certificate_set_x509_trust_mem(xcred, &ca,
GNUTLS_X509_FMT_PEM);
gnutls_certificate_set_retrieve_function2(xcred, cert_callback);
/* Initialize TLS session
*/
gnutls_init(&session, GNUTLS_CLIENT);
/* Use default priorities */
gnutls_set_default_priority(session);
/* put the x509 credentials to the current session
*/
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, xcred);
gnutls_transport_set_int(session, sd);
/* Perform the TLS handshake
*/
ret = gnutls_handshake(session);
if (ret < 0) {
fail("client: Handshake failed\n");
gnutls_perror(ret);
goto end;
} else {
if (debug)
success("client: Handshake was completed\n");
}
if (debug)
success("client: TLS version is: %s\n",
gnutls_protocol_get_name
(gnutls_protocol_get_version(session)));
/* see the Getting peer's information example */
if (debug)
print_info(session);
gnutls_record_send(session, MSG, strlen(MSG));
ret = gnutls_record_recv(session, buffer, MAX_BUF);
if (ret == 0) {
if (debug)
success
("client: Peer has closed the TLS connection\n");
goto end;
} else if (ret < 0) {
fail("client: Error: %s\n", gnutls_strerror(ret));
goto end;
}
if (debug) {
printf("- Received %d bytes: ", ret);
for (ii = 0; ii < ret; ii++) {
fputc(buffer[ii], stdout);
}
fputs("\n", stdout);
}
gnutls_bye(session, GNUTLS_SHUT_RDWR);
end:
close(sd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(xcred);
gnutls_global_deinit();
}
bool TlsSocket::Start()
{
#ifdef HAVE_LIBGNUTLS
gnutls_certificate_credentials_t cred;
m_retCode = gnutls_certificate_allocate_credentials(&cred);
if (m_retCode != 0)
{
ReportError("Could not create TLS context");
return false;
}
m_context = cred;
if (m_certFile && m_keyFile)
{
m_retCode = gnutls_certificate_set_x509_key_file((gnutls_certificate_credentials_t)m_context,
m_certFile, m_keyFile, GNUTLS_X509_FMT_PEM);
if (m_retCode != 0)
{
ReportError("Could not load certificate or key file");
Close();
return false;
}
}
gnutls_session_t sess;
m_retCode = gnutls_init(&sess, m_isClient ? GNUTLS_CLIENT : GNUTLS_SERVER);
if (m_retCode != 0)
{
ReportError("Could not create TLS session");
Close();
return false;
}
m_session = sess;
m_initialized = true;
const char* priority = !m_cipher.Empty() ? m_cipher.Str() : "NORMAL";
m_retCode = gnutls_priority_set_direct((gnutls_session_t)m_session, priority, nullptr);
if (m_retCode != 0)
{
ReportError("Could not select cipher for TLS");
Close();
return false;
}
if (m_host)
{
m_retCode = gnutls_server_name_set((gnutls_session_t)m_session, GNUTLS_NAME_DNS, m_host, m_host.Length());
if (m_retCode != 0)
{
ReportError("Could not set host name for TLS");
Close();
return false;
}
}
m_retCode = gnutls_credentials_set((gnutls_session_t)m_session, GNUTLS_CRD_CERTIFICATE,
(gnutls_certificate_credentials_t*)m_context);
if (m_retCode != 0)
{
ReportError("Could not initialize TLS session");
Close();
return false;
}
gnutls_transport_set_ptr((gnutls_session_t)m_session, (gnutls_transport_ptr_t)(size_t)m_socket);
m_retCode = gnutls_handshake((gnutls_session_t)m_session);
if (m_retCode != 0)
{
ReportError("TLS handshake failed");
Close();
return false;
}
m_connected = true;
return true;
#endif /* HAVE_LIBGNUTLS */
#ifdef HAVE_OPENSSL
m_context = SSL_CTX_new(SSLv23_method());
if (!m_context)
{
ReportError("Could not create TLS context");
return false;
}
if (m_certFile && m_keyFile)
{
if (SSL_CTX_use_certificate_chain_file((SSL_CTX*)m_context, m_certFile) != 1)
{
ReportError("Could not load certificate file");
Close();
return false;
}
if (SSL_CTX_use_PrivateKey_file((SSL_CTX*)m_context, m_keyFile, SSL_FILETYPE_PEM) != 1)
{
ReportError("Could not load key file");
Close();
return false;
}
}
m_session = SSL_new((SSL_CTX*)m_context);
if (!m_session)
{
ReportError("Could not create TLS session");
Close();
return false;
}
if (!m_cipher.Empty() && !SSL_set_cipher_list((SSL*)m_session, m_cipher))
{
ReportError("Could not select cipher for TLS");
Close();
return false;
}
if (m_host && !SSL_set_tlsext_host_name((SSL*)m_session, m_host))
{
ReportError("Could not set host name for TLS");
Close();
return false;
}
if (!SSL_set_fd((SSL*)m_session, m_socket))
{
ReportError("Could not set the file descriptor for TLS");
Close();
return false;
}
int error_code = m_isClient ? SSL_connect((SSL*)m_session) : SSL_accept((SSL*)m_session);
if (error_code < 1)
{
ReportError("TLS handshake failed");
Close();
return false;
}
m_connected = true;
return true;
#endif /* HAVE_OPENSSL */
}
static struct mailstream_ssl_data * ssl_data_new(int fd, time_t timeout,
void (* callback)(struct mailstream_ssl_context * ssl_context, void * cb_data), void * cb_data)
{
struct mailstream_ssl_data * ssl_data;
gnutls_session session;
struct mailstream_cancel * cancel;
gnutls_certificate_credentials_t xcred;
int r;
struct mailstream_ssl_context * ssl_context = NULL;
unsigned int timeout_value;
mailstream_ssl_init();
if (gnutls_certificate_allocate_credentials (&xcred) != 0)
return NULL;
r = gnutls_init(&session, GNUTLS_CLIENT);
if (session == NULL || r != 0)
return NULL;
if (callback != NULL) {
ssl_context = mailstream_ssl_context_new(session, fd);
callback(ssl_context, cb_data);
}
gnutls_session_set_ptr(session, ssl_context);
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, xcred);
#if GNUTLS_VERSION_NUMBER <= 0x020c00
gnutls_certificate_client_set_retrieve_function(xcred, mailstream_gnutls_client_cert_cb);
#else
gnutls_certificate_set_retrieve_function(xcred, mailstream_gnutls_client_cert_cb);
#endif
gnutls_set_default_priority(session);
gnutls_priority_set_direct(session, "NORMAL", NULL);
gnutls_record_disable_padding(session);
gnutls_dh_set_prime_bits(session, 512);
gnutls_transport_set_ptr(session, (gnutls_transport_ptr) fd);
/* lower limits on server key length restriction */
gnutls_dh_set_prime_bits(session, 512);
if (timeout == 0) {
timeout_value = mailstream_network_delay.tv_sec * 1000 + mailstream_network_delay.tv_usec / 1000;
}
else {
timeout_value = timeout;
}
#if GNUTLS_VERSION_NUMBER >= 0x030100
gnutls_handshake_set_timeout(session, timeout_value);
#endif
do {
r = gnutls_handshake(session);
} while (r == GNUTLS_E_AGAIN || r == GNUTLS_E_INTERRUPTED);
if (r < 0) {
gnutls_perror(r);
goto free_ssl_conn;
}
cancel = mailstream_cancel_new();
if (cancel == NULL)
goto free_ssl_conn;
r = mailstream_prepare_fd(fd);
if (r < 0)
goto free_cancel;
ssl_data = malloc(sizeof(* ssl_data));
if (ssl_data == NULL)
goto err;
ssl_data->fd = fd;
ssl_data->session = session;
ssl_data->xcred = xcred;
ssl_data->cancel = cancel;
mailstream_ssl_context_free(ssl_context);
return ssl_data;
free_cancel:
mailstream_cancel_free(cancel);
free_ssl_conn:
gnutls_certificate_free_credentials(xcred);
mailstream_ssl_context_free(ssl_context);
gnutls_deinit(session);
err:
return NULL;
}
int
connect_ssl(char *host, char *port,
int reconnect,
int use_sessionid, int use_ticket,
int delay,
const char *client_cert,
const char *client_key) {
struct addrinfo* addr;
int err, s;
char buffer[256];
gnutls_anon_client_credentials_t anoncred;
gnutls_certificate_credentials_t xcred;
gnutls_session_t session;
char *session_data = NULL;
size_t session_data_size = 0;
char *session_id = NULL;
size_t session_id_size = 0;
char *session_id_hex = NULL;
char *session_id_p = NULL;
unsigned session_id_idx;
const char *hex = "0123456789ABCDEF";
start("Initialize GNU TLS library");
if ((err = gnutls_global_init()))
fail("Unable to initialize GNU TLS:\n%s",
gnutls_strerror(err));
if ((err = gnutls_anon_allocate_client_credentials(&anoncred)))
fail("Unable to allocate anonymous client credentials:\n%s",
gnutls_strerror(err));
if ((err = gnutls_certificate_allocate_credentials(&xcred)))
fail("Unable to allocate X509 credentials:\n%s",
gnutls_strerror(err));
#ifdef DEBUG
gnutls_global_set_log_function(debug);
gnutls_global_set_log_level(10);
#endif
addr = solve(host, port);
do {
start("Initialize TLS session");
if ((err = gnutls_init(&session, GNUTLS_CLIENT)))
fail("Unable to initialize the current session:\n%s",
gnutls_strerror(err));
if ((err = gnutls_priority_set_direct(session, "PERFORMANCE:NORMAL:EXPORT", NULL)))
fail("Unable to initialize cipher suites:\n%s",
gnutls_strerror(err));
gnutls_dh_set_prime_bits(session, 512);
if (client_cert == NULL) {
if ((err = gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred)))
fail("Unable to set anonymous credentials for session:\n%s",
gnutls_strerror(err));
} else {
if ((err = gnutls_certificate_set_x509_key_file(xcred, client_cert, client_key, GNUTLS_X509_FMT_PEM))) {
fail("failed to load x509 certificate from file %s or key from %s: %s",client_cert,client_key,gnutls_strerror(err));
}
}
if ((err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, xcred)))
fail("Unable to set credentials for session:\n%s",
gnutls_strerror(err));
if (use_ticket) {
start("Enable use of session tickets (RFC 5077)");
if (gnutls_session_ticket_enable_client(session))
fail("Unable to enable session tickets:\n%s",
gnutls_strerror(err));
}
if (session_data) {
start("Copy old session");
if ((err = gnutls_session_set_data(session, session_data, session_data_size)))
fail("Unable to set session to previous one:\n%s",
gnutls_strerror(err));
}
s = connect_socket(addr, host, port);
start("Start TLS renegotiation");
gnutls_transport_set_ptr(session, (gnutls_transport_ptr_t)(uintptr_t)s);
if ((err = gnutls_handshake(session))) {
fail("Unable to start TLS renegotiation:\n%s",
gnutls_strerror(err));
}
start("Check if session was reused");
if (!gnutls_session_is_resumed(session) && session_data)
warn("No session was reused.");
else if (gnutls_session_is_resumed(session) && !session_data)
warn("Session was reused.");
else if (gnutls_session_is_resumed(session))
end("SSL session correctly reused");
else
end("SSL session was not used");
start("Get current session");
if (session_data) {
free(session_data); session_data = NULL;
}
session_data_size = 8192;
if ((err = gnutls_session_get_data(session, NULL, &session_data_size)))
warn("No session available:\n%s",
gnutls_strerror(err));
else {
session_data = malloc(session_data_size);
if (!session_data) fail("No memory available");
gnutls_session_get_data(session, session_data, &session_data_size);
if ((err = gnutls_session_get_id( session, NULL, &session_id_size)))
warn("No session id available:\n%s",
gnutls_strerror(err));
session_id = malloc(session_id_size);
if (!session_id) fail("No memory available");
else {
if ((err = gnutls_session_get_id( session, session_id, &session_id_size)))
warn("No session id available:\n%s",
gnutls_strerror(err));
session_id_hex = malloc(session_id_size * 2 + 1);
if (!session_id_hex) fail("No memory available");
else {
for (session_id_p = session_id_hex, session_id_idx = 0;
session_id_idx < session_id_size;
++session_id_idx) {
*session_id_p++ = hex[ (session_id[session_id_idx] >> 4) & 0xf];
*session_id_p++ = hex[ session_id[session_id_idx] & 0xf];
}
*session_id_p = '\0';
end("Session context:\nProtocol : %s\nCipher : %s\nKx : %s\nCompression : %s\nPSK : %s\nID : %s",
gnutls_protocol_get_name( gnutls_protocol_get_version(session) ),
gnutls_cipher_get_name( gnutls_cipher_get(session) ),
gnutls_kx_get_name( gnutls_kx_get(session) ),
gnutls_compression_get_name( gnutls_compression_get(session)),
gnutls_psk_server_get_username(session),
session_id_hex
);
free(session_id_hex);
}
free(session_id);
}
}
if (!use_sessionid && !use_ticket) {
free(session_data); session_data = NULL;
}
start("Send HTTP GET");
err = snprintf(buffer, sizeof(buffer),
"GET / HTTP/1.0\r\n"
"Host: %s\r\n"
"\r\n", host);
if (err == -1 || err >= sizeof(buffer))
fail("Unable to build request to send");
if (gnutls_record_send(session, buffer, strlen(buffer)) < 0)
fail("SSL write request failed:\n%s",
gnutls_strerror(err));
start("Get HTTP answer");
if ((err = gnutls_record_recv(session, buffer, sizeof(buffer) - 1)) <= 0)
fail("SSL read request failed:\n%s",
gnutls_strerror(err));
buffer[err] = '\0';
if (strchr(buffer, '\r'))
*strchr(buffer, '\r') = '\0';
end("%s", buffer);
start("End TLS connection");
gnutls_bye(session, GNUTLS_SHUT_RDWR);
close(s);
gnutls_deinit (session);
--reconnect;
if (reconnect < 0) break;
else {
start("waiting %d seconds",delay);
sleep(delay);
}
} while (1);
if (session_data) free(session_data);
gnutls_anon_free_client_credentials(anoncred);
gnutls_global_deinit();
return 0;
}
int main (void)
{
int ret, sd, ii;
gnutls_session_t session;
char buffer[MAX_BUF + 1];
const char *err;
gnutls_certificate_credentials_t xcred;
gnutls_global_init ();
/* X509 stuff */
gnutls_certificate_allocate_credentials (&xcred);
/* sets the trusted cas file
*/
gnutls_certificate_set_x509_trust_file (xcred, CAFILE, GNUTLS_X509_FMT_PEM);
gnutls_certificate_set_verify_function (xcred, _verify_certificate_callback);
/* Initialize TLS session
*/
gnutls_init (&session, GNUTLS_CLIENT);
gnutls_session_set_ptr (session, (void *) "my_host_name");
/* Use default priorities */
ret = gnutls_priority_set_direct (session, "NORMAL", &err);
if (ret < 0)
{
if (ret == GNUTLS_E_INVALID_REQUEST)
{
fprintf (stderr, "Syntax error at: %s\n", err);
}
exit (1);
}
/* put the x509 credentials to the current session
*/
gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, xcred);
/* connect to the peer
*/
sd = tcp_connect ();
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) sd);
/* Perform the TLS handshake
*/
ret = gnutls_handshake (session);
if (ret < 0)
{
fprintf (stderr, "*** Handshake failed\n");
gnutls_perror (ret);
goto end;
}
else
{
printf ("- Handshake was completed\n");
}
gnutls_record_send (session, MSG, strlen (MSG));
ret = gnutls_record_recv (session, buffer, MAX_BUF);
if (ret == 0)
{
printf ("- Peer has closed the TLS connection\n");
goto end;
}
else if (ret < 0)
{
fprintf (stderr, "*** Error: %s\n", gnutls_strerror (ret));
goto end;
}
printf ("- Received %d bytes: ", ret);
for (ii = 0; ii < ret; ii++)
{
fputc (buffer[ii], stdout);
}
fputs ("\n", stdout);
gnutls_bye (session, GNUTLS_SHUT_RDWR);
end:
tcp_close (sd);
gnutls_deinit (session);
gnutls_certificate_free_credentials (xcred);
gnutls_global_deinit ();
return 0;
}
void
doit (void)
{
int exit_code = EXIT_SUCCESS;
/* Server stuff. */
gnutls_certificate_credentials_t serverx509cred;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
/* Client stuff. */
gnutls_certificate_credentials_t clientx509cred;
gnutls_session_t client;
int cret = GNUTLS_E_AGAIN;
/* General init. */
gnutls_global_init ();
gnutls_global_set_log_function (tls_log_func);
if (debug)
gnutls_global_set_log_level (2);
/* Init server */
gnutls_certificate_allocate_credentials (&serverx509cred);
gnutls_certificate_set_x509_key_mem (serverx509cred,
&server_cert, &server_key,
GNUTLS_X509_FMT_PEM);
gnutls_init (&server, GNUTLS_SERVER);
gnutls_credentials_set (server, GNUTLS_CRD_CERTIFICATE, serverx509cred);
gnutls_priority_set_direct (server, "NORMAL", NULL);
gnutls_transport_set_push_function (server, server_push);
gnutls_transport_set_pull_function (server, server_pull);
gnutls_transport_set_ptr (server, (gnutls_transport_ptr_t)server);
/* Init client */
gnutls_certificate_allocate_credentials (&clientx509cred);
gnutls_init (&client, GNUTLS_CLIENT);
gnutls_credentials_set (client, GNUTLS_CRD_CERTIFICATE, clientx509cred);
gnutls_priority_set_direct (client, "NORMAL", NULL);
gnutls_transport_set_push_function (client, client_push);
gnutls_transport_set_pull_function (client, client_pull);
gnutls_transport_set_ptr (client, (gnutls_transport_ptr_t)client);
HANDSHAKE(client, server);
sret = gnutls_rehandshake (server);
if (debug)
{
tls_log_func (0, "gnutls_rehandshake (server)...\n");
tls_log_func (0, gnutls_strerror (sret));
tls_log_func (0, "\n");
}
{
ssize_t n;
char b[1];
n = gnutls_record_recv (client, b, 1);
if (n != GNUTLS_E_REHANDSHAKE)
abort ();
}
HANDSHAKE(client, server);
gnutls_bye (client, GNUTLS_SHUT_RDWR);
gnutls_bye (server, GNUTLS_SHUT_RDWR);
gnutls_deinit (client);
gnutls_deinit (server);
gnutls_certificate_free_credentials (serverx509cred);
gnutls_certificate_free_credentials (clientx509cred);
gnutls_global_deinit ();
if (debug)
{
if (exit_code == 0)
puts ("Self-test successful");
else
puts ("Self-test failed");
}
}
static void server(int sd, const char *prio)
{
gnutls_psk_server_credentials_t server_pskcred;
int ret;
gnutls_session_t session;
char buffer[MAX_BUF + 1];
/* this must be called once in the program
*/
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
side = "server";
gnutls_psk_allocate_server_credentials(&server_pskcred);
gnutls_psk_set_server_credentials_hint(server_pskcred, "hint");
gnutls_psk_set_server_credentials_function(server_pskcred,
pskfunc);
gnutls_psk_set_server_dh_params(server_pskcred, dh_params);
gnutls_init(&session, GNUTLS_SERVER);
/* avoid calling all the priority functions, since the defaults
* are adequate.
*/
gnutls_priority_set_direct(session, prio, NULL);
gnutls_credentials_set(session, GNUTLS_CRD_PSK, server_pskcred);
gnutls_transport_set_int(session, sd);
ret = gnutls_handshake(session);
if (ret < 0) {
close(sd);
gnutls_deinit(session);
fail("server: Handshake has failed (%s)\n\n",
gnutls_strerror(ret));
return;
}
if (debug)
success("server: Handshake was completed\n");
/* see the Getting peer's information example */
/* print_info(session); */
for (;;) {
memset(buffer, 0, MAX_BUF + 1);
gnutls_record_set_timeout(session, 10000);
ret = gnutls_record_recv(session, buffer, MAX_BUF);
if (ret == 0) {
if (debug)
success
("server: Peer has closed the GnuTLS connection\n");
break;
} else if (ret < 0) {
fail("server: Received corrupted data(%d). Closing...\n", ret);
break;
} else if (ret > 0) {
/* echo data back to the client
*/
gnutls_record_send(session, buffer,
strlen(buffer));
}
}
/* do not wait for the peer to close the connection.
*/
gnutls_bye(session, GNUTLS_SHUT_WR);
close(sd);
gnutls_deinit(session);
gnutls_psk_free_server_credentials(server_pskcred);
gnutls_global_deinit();
if (debug)
success("server: finished\n");
}
static void
client (int fd, const char* prio)
{
int ret;
char buffer[MAX_BUF + 1];
gnutls_anon_client_credentials_t anoncred;
gnutls_certificate_credentials_t x509_cred;
gnutls_session_t session;
/* Need to enable anonymous KX specifically. */
global_init ();
if (debug)
{
gnutls_global_set_log_function (client_log_func);
gnutls_global_set_log_level (7);
}
gnutls_anon_allocate_client_credentials (&anoncred);
gnutls_certificate_allocate_credentials (&x509_cred);
/* Initialize TLS session
*/
gnutls_init (&session, GNUTLS_CLIENT);
/* Use default priorities */
gnutls_priority_set_direct (session, prio, NULL);
/* put the anonymous credentials to the current session
*/
gnutls_credentials_set (session, GNUTLS_CRD_ANON, anoncred);
gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) fd);
/* Perform the TLS handshake
*/
do
{
ret = gnutls_handshake (session);
}
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret < 0)
{
fail ("client: Handshake failed\n");
gnutls_perror (ret);
exit(1);
}
else
{
if (debug)
success ("client: Handshake was completed\n");
}
if (debug)
success ("client: TLS version is: %s\n",
gnutls_protocol_get_name (gnutls_protocol_get_version
(session)));
do {
do {
ret = gnutls_record_recv (session, buffer, MAX_BUF);
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
} while( ret > 0);
if (ret == 0)
{
if (debug)
success ("client: Peer has closed the TLS connection\n");
goto end;
}
else if (ret < 0)
{
if (ret != 0)
{
fail ("client: Error: %s\n", gnutls_strerror (ret));
exit(1);
}
}
gnutls_bye (session, GNUTLS_SHUT_WR);
end:
close (fd);
gnutls_deinit (session);
gnutls_anon_free_client_credentials (anoncred);
gnutls_certificate_free_credentials (x509_cred);
gnutls_global_deinit ();
}
static
void client_check(void)
{
int exit_code = EXIT_SUCCESS;
int ret;
/* Server stuff. */
gnutls_certificate_credentials_t serverx509cred;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
/* Client stuff. */
gnutls_certificate_credentials_t clientx509cred;
gnutls_session_t client;
int cret = GNUTLS_E_AGAIN;
/* General init. */
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(6);
/* Init server */
gnutls_certificate_allocate_credentials(&serverx509cred);
gnutls_certificate_set_retrieve_function2(serverx509cred, cert_callback);
gnutls_init(&server, GNUTLS_SERVER);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
serverx509cred);
gnutls_priority_set_direct(server,
"NORMAL:-KX-ALL:+RSA:%DEBUG_ALLOW_KEY_USAGE_VIOLATIONS",
NULL);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
/* Init client */
ret = gnutls_certificate_allocate_credentials(&clientx509cred);
if (ret < 0)
exit(1);
ret = gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca_cert, GNUTLS_X509_FMT_PEM);
if (ret < 0)
exit(1);
ret = gnutls_init(&client, GNUTLS_CLIENT);
if (ret < 0)
exit(1);
ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred);
if (ret < 0)
exit(1);
gnutls_priority_set_direct(client, "NORMAL:+RSA", NULL);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
HANDSHAKE_EXPECT(client, server, GNUTLS_E_KEY_USAGE_VIOLATION, GNUTLS_E_AGAIN);
if (debug)
success("client returned the expected code: %s\n", gnutls_strerror(cret));
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_certificate_free_credentials(serverx509cred);
gnutls_certificate_free_credentials(clientx509cred);
gnutls_global_deinit();
if (debug > 0) {
if (exit_code == 0)
puts("Self-test successful");
else
puts("Self-test failed");
}
}
static void
server (int fd, const char* prio)
{
int ret;
char buffer[MAX_BUF + 1];
gnutls_session_t session;
gnutls_anon_server_credentials_t anoncred;
gnutls_certificate_credentials_t x509_cred;
gnutls_range_st range;
to_send = 0;
range.low = MAX_BUF;
range.high = HIGH(MAX_BUF);
/* this must be called once in the program
*/
global_init ();
memset(buffer, 0, sizeof(buffer));
if (debug)
{
gnutls_global_set_log_function (server_log_func);
gnutls_global_set_log_level (4711);
}
gnutls_certificate_allocate_credentials (&x509_cred);
gnutls_certificate_set_x509_key_mem (x509_cred, &server_cert, &server_key,
GNUTLS_X509_FMT_PEM);
gnutls_anon_allocate_server_credentials (&anoncred);
gnutls_init (&session, GNUTLS_SERVER);
/* avoid calling all the priority functions, since the defaults
* are adequate.
*/
gnutls_priority_set_direct (session, prio, NULL);
gnutls_credentials_set (session, GNUTLS_CRD_ANON, anoncred);
gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) fd);
do
{
ret = gnutls_handshake (session);
}
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret < 0)
{
close (fd);
gnutls_deinit (session);
fail ("server: Handshake has failed (%s)\n\n", gnutls_strerror (ret));
terminate();
}
if (debug)
success ("server: Handshake was completed\n");
if (debug)
success ("server: TLS version is: %s\n",
gnutls_protocol_get_name (gnutls_protocol_get_version
(session)));
gnutls_transport_set_push_function (session, push);
if (gnutls_record_can_use_length_hiding(session) == 0)
{
fail("Length hiding isn't possible\n");
terminate();
}
do
{
do {
ret = gnutls_record_send_range (session, buffer, sizeof (buffer), &range);
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
if (ret < 0)
{
fail("Error sending packet: %s\n", gnutls_strerror(ret));
terminate();
}
to_send++;
}
while(to_send < 4);
to_send = -1;
/* do not wait for the peer to close the connection.
*/
gnutls_bye (session, GNUTLS_SHUT_WR);
close (fd);
gnutls_deinit (session);
gnutls_anon_free_server_credentials (anoncred);
gnutls_certificate_free_credentials (x509_cred);
gnutls_global_deinit ();
if (debug)
success ("server: finished\n");
}
static void server(int fd, unsigned do_thread)
{
int ret;
gnutls_certificate_credentials_t x509_cred;
gnutls_session_t session;
/* this must be called once in the program
*/
global_init();
#if 0
if (debug) {
side = "server";
gnutls_global_set_log_function(tls_log_func);
gnutls_global_set_log_level(4711);
}
#endif
gnutls_certificate_allocate_credentials(&x509_cred);
gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
&server_key,
GNUTLS_X509_FMT_PEM);
gnutls_init(&session, GNUTLS_SERVER | GNUTLS_DATAGRAM);
gnutls_dtls_set_timeouts(session, 5 * 1000, 60 * 1000);
gnutls_dtls_set_mtu(session, 400);
/* avoid calling all the priority functions, since the defaults
* are adequate.
*/
gnutls_priority_set_direct(session,
"NONE:+VERS-DTLS1.2:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ECDHE-ECDSA:+CURVE-ALL",
NULL);
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_int(session, fd);
do {
ret = gnutls_handshake(session);
} while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret < 0) {
close(fd);
gnutls_deinit(session);
fail("server: Handshake has failed (%s)\n\n",
gnutls_strerror(ret));
terminate();
}
if (debug)
success("server: Handshake was completed\n");
if (debug)
success("server: TLS version is: %s\n",
gnutls_protocol_get_name
(gnutls_protocol_get_version(session)));
if (do_thread)
do_thread_stuff(session);
else
do_reflect_stuff(session);
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
if (debug)
success("server: finished\n");
}
int
main (void)
{
int ret, sd, ii;
gnutls_session_t session;
char buffer[MAX_BUF + 1];
gnutls_anon_client_credentials_t anoncred;
/* Need to enable anonymous KX specifically. */
gnutls_global_init ();
gnutls_anon_allocate_client_credentials (&anoncred);
/* Initialize TLS session
*/
gnutls_init (&session, GNUTLS_CLIENT);
/* Use default priorities */
gnutls_priority_set_direct (session, "PERFORMANCE:+ANON-DH:!ARCFOUR-128",
NULL);
/* put the anonymous credentials to the current session
*/
gnutls_credentials_set (session, GNUTLS_CRD_ANON, anoncred);
/* connect to the peer
*/
sd = tcp_connect ();
gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) sd);
/* Perform the TLS handshake
*/
ret = gnutls_handshake (session);
if (ret < 0)
{
fprintf (stderr, "*** Handshake failed\n");
gnutls_perror (ret);
goto end;
}
else
{
printf ("- Handshake was completed\n");
}
gnutls_record_send (session, MSG, strlen (MSG));
ret = gnutls_record_recv (session, buffer, MAX_BUF);
if (ret == 0)
{
printf ("- Peer has closed the TLS connection\n");
goto end;
}
else if (ret < 0)
{
fprintf (stderr, "*** Error: %s\n", gnutls_strerror (ret));
goto end;
}
printf ("- Received %d bytes: ", ret);
for (ii = 0; ii < ret; ii++)
{
fputc (buffer[ii], stdout);
}
fputs ("\n", stdout);
gnutls_bye (session, GNUTLS_SHUT_RDWR);
end:
tcp_close (sd);
gnutls_deinit (session);
gnutls_anon_free_client_credentials (anoncred);
gnutls_global_deinit ();
return 0;
}
static void server(int fd)
{
int ret;
gnutls_session_t session;
gnutls_certificate_credentials_t serverx509cred;
/* this must be called once in the program
*/
global_init();
if (debug) {
gnutls_global_set_log_function(server_log_func);
gnutls_global_set_log_level(4711);
}
gnutls_certificate_allocate_credentials(&serverx509cred);
gnutls_init(&session, GNUTLS_SERVER);
/* avoid calling all the priority functions, since the defaults
* are adequate.
*/
ret = gnutls_priority_set_direct(session,
"NORMAL:-KX-ALL:+RSA:%NO_SESSION_HASH", NULL);
if (ret < 0) {
fail("server: priority set failed (%s)\n\n",
gnutls_strerror(ret));
terminate();
}
ret = gnutls_session_set_premaster(session, GNUTLS_SERVER,
GNUTLS_TLS1_0, GNUTLS_KX_RSA,
GNUTLS_CIPHER_AES_128_CBC, GNUTLS_MAC_SHA1,
GNUTLS_COMP_NULL, &master, &sess_id);
if (ret < 0) {
fail("server: gnutls_session_set_premaster failed: %s\n", gnutls_strerror(ret));
exit(1);
}
gnutls_certificate_set_x509_key_mem(serverx509cred,
&server_cert, &server_key,
GNUTLS_X509_FMT_PEM);
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
serverx509cred);
gnutls_handshake_set_random(session, &hsrnd);
gnutls_transport_set_int(session, fd);
do {
ret = gnutls_handshake(session);
}
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret < 0) {
close(fd);
gnutls_deinit(session);
fail("server: Handshake has failed (%s)\n\n",
gnutls_strerror(ret));
terminate();
}
if (debug)
success("server: Handshake was completed\n");
if (debug)
success("server: TLS version is: %s\n",
gnutls_protocol_get_name
(gnutls_protocol_get_version(session)));
/* do not wait for the peer to close the connection.
*/
gnutls_bye(session, GNUTLS_SHUT_WR);
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(serverx509cred);
gnutls_global_deinit();
if (debug)
success("server: finished\n");
}
int ne_sock_connect_ssl(ne_socket *sock, ne_ssl_context *ctx, void *userdata)
{
int ret;
#if defined(HAVE_OPENSSL)
SSL *ssl;
if (seed_ssl_prng()) {
set_error(sock, _("SSL disabled due to lack of entropy"));
return NE_SOCK_ERROR;
}
/* If runtime library version differs from compile-time version
* number in major/minor/fix level, abort soon. */
if ((SSLeay() ^ OPENSSL_VERSION_NUMBER) & 0xFFFFF000) {
set_error(sock, _("SSL disabled due to library version mismatch"));
return NE_SOCK_ERROR;
}
sock->ssl = ssl = SSL_new(ctx->ctx);
if (!ssl) {
set_error(sock, _("Could not create SSL structure"));
return NE_SOCK_ERROR;
}
SSL_set_app_data(ssl, userdata);
SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
SSL_set_fd(ssl, sock->fd);
sock->ops = &iofns_ssl;
#ifdef SSL_set_tlsext_host_name
if (ctx->hostname) {
/* Try to enable SNI, but ignore failure (should only fail for
* >255 char hostnames, which are probably not legal
* anyway). */
if (SSL_set_tlsext_host_name(ssl, ctx->hostname) != 1) {
ERR_clear_error();
}
}
#endif
if (ctx->sess)
SSL_set_session(ssl, ctx->sess);
ret = SSL_connect(ssl);
if (ret != 1) {
error_ossl(sock, ret);
SSL_free(ssl);
sock->ssl = NULL;
return NE_SOCK_ERROR;
}
#elif defined(HAVE_GNUTLS)
/* DH and RSA params are set in ne_ssl_context_create */
gnutls_init(&sock->ssl, GNUTLS_CLIENT);
gnutls_set_default_priority(sock->ssl);
gnutls_session_set_ptr(sock->ssl, userdata);
gnutls_credentials_set(sock->ssl, GNUTLS_CRD_CERTIFICATE, ctx->cred);
#ifdef HAVE_GNUTLS_SIGN_CALLBACK_SET
if (ctx->sign_func)
gnutls_sign_callback_set(sock->ssl, ctx->sign_func, ctx->sign_data);
#endif
if (ctx->hostname) {
gnutls_server_name_set(sock->ssl, GNUTLS_NAME_DNS, ctx->hostname,
strlen(ctx->hostname));
}
gnutls_transport_set_ptr(sock->ssl, (gnutls_transport_ptr)(long)sock->fd);
if (ctx->cache.client.data) {
#if defined(HAVE_GNUTLS_SESSION_GET_DATA2)
gnutls_session_set_data(sock->ssl,
ctx->cache.client.data,
ctx->cache.client.size);
#else
gnutls_session_set_data(sock->ssl,
ctx->cache.client.data,
ctx->cache.client.len);
#endif
}
sock->ops = &iofns_ssl;
ret = gnutls_handshake(sock->ssl);
if (ret < 0) {
error_gnutls(sock, ret);
return NE_SOCK_ERROR;
}
if (!gnutls_session_is_resumed(sock->ssl)) {
/* New session. The old method of using the _get_data
* function seems to be broken with 1.3.0 and later*/
#if defined(HAVE_GNUTLS_SESSION_GET_DATA2)
gnutls_session_get_data2(sock->ssl, &ctx->cache.client);
#else
ctx->cache.client.len = 0;
if (gnutls_session_get_data(sock->ssl, NULL,
&ctx->cache.client.len) == 0) {
ctx->cache.client.data = ne_malloc(ctx->cache.client.len);
gnutls_session_get_data(sock->ssl, ctx->cache.client.data,
&ctx->cache.client.len);
}
#endif
}
#endif
return 0;
}