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Diffstat (limited to 'tests/eagain-auto-auth.c')
| -rw-r--r-- | tests/eagain-auto-auth.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/tests/eagain-auto-auth.c b/tests/eagain-auto-auth.c new file mode 100644 index 0000000000..441e7c02e4 --- /dev/null +++ b/tests/eagain-auto-auth.c @@ -0,0 +1,235 @@ +/* + * Copyright (C) 2008-2012 Free Software Foundation, Inc. + * Copyright (C) 2018 Red Hat, Inc. + * + * Author: Simon Josefsson, Nikos Mavrogiannopoulos + * + * This file is part of GnuTLS. + * + * GnuTLS is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * GnuTLS is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/> + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <gnutls/gnutls.h> +#include <gnutls/crypto.h> +#include <gnutls/abstract.h> + +#define RANDOMIZE +#include "cert-common.h" +#include "cmocka-common.h" + +/* This tests operation under non-blocking mode in TLS1.2/TLS1.3 + * rekey/rehandshake. + */ +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "<%d>| %s", level, str); +} + +#define MAX_BUF 1024 +#define MSG "Hello TLS, and hi and how are you and more data here... and more... and even more and even more more data..." + +static unsigned int cert_asked = 0; + +static int cert_callback(gnutls_session_t session, + const gnutls_datum_t * req_ca_rdn, int nreqs, + const gnutls_pk_algorithm_t * sign_algos, + int sign_algos_length, gnutls_pcert_st ** pcert, + unsigned int *pcert_length, gnutls_privkey_t * pkey) +{ + cert_asked = 1; + *pcert_length = 0; + *pcert = NULL; + *pkey = NULL; + + return 0; +} + +static void async_handshake(void **glob_state, const char *prio, unsigned rehsk) +{ + /* Server stuff. */ + gnutls_certificate_credentials_t serverx509cred; + gnutls_session_t server; + int sret, cret; + /* Client stuff. */ + gnutls_certificate_credentials_t clientx509cred; + gnutls_session_t client; + /* Need to enable anonymous KX specifically. */ + char buffer[MAX_BUF + 1]; + int ret, transferred = 0, msglen; + + /* General init. */ + reset_buffers(); + cert_asked = 0; + gnutls_global_init(); + gnutls_global_set_log_function(tls_log_func); + + /* Init server */ + assert_return_code(gnutls_certificate_allocate_credentials(&serverx509cred), 0); + assert_return_code(gnutls_certificate_set_x509_key_mem(serverx509cred, + &server_cert, &server_key, + GNUTLS_X509_FMT_PEM), 0); + ret = gnutls_init(&server, GNUTLS_SERVER|GNUTLS_POST_HANDSHAKE_AUTH); + assert_return_code(ret, 0); + + ret = + gnutls_priority_set_direct(server, + prio, + NULL); + assert_return_code(ret, 0); + + + ret = gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, serverx509cred); + assert_return_code(ret, 0); + + 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); + assert_return_code(ret, 0); + + gnutls_certificate_set_retrieve_function2(clientx509cred, cert_callback); + + ret = gnutls_init(&client, GNUTLS_CLIENT|GNUTLS_AUTO_REAUTH|GNUTLS_POST_HANDSHAKE_AUTH); + ret = + gnutls_priority_set_direct(client, + prio, + NULL); + assert_return_code(ret, 0); + + ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, clientx509cred); + assert_return_code(ret, 0); + + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_ptr(client, client); + + HANDSHAKE(client, server); + + if (rehsk == 1) { + char b[1]; + unsigned hstarted = 0; + + do { + sret = gnutls_rehandshake(server); + } while (sret == GNUTLS_E_AGAIN || sret == GNUTLS_E_INTERRUPTED); + assert_true(sret == 0); + assert_true(gnutls_record_get_direction(server)==1); + + sret = cret = GNUTLS_E_AGAIN; + do { + if (!hstarted) { + sret = gnutls_record_recv(server, b, 1); + if (sret == GNUTLS_E_INTERRUPTED) sret = GNUTLS_E_AGAIN; + + if (sret == GNUTLS_E_REHANDSHAKE) { + hstarted = 1; + sret = GNUTLS_E_AGAIN; + } + assert_true(sret == GNUTLS_E_AGAIN); + } + + if (sret == GNUTLS_E_AGAIN && hstarted) { + sret = gnutls_handshake (server); + if (sret == GNUTLS_E_INTERRUPTED) sret = GNUTLS_E_AGAIN; + assert_true(sret == GNUTLS_E_AGAIN || sret == 0); + } + + /* we are done in client side */ + if (hstarted && gnutls_record_get_direction(client) == 0 && to_client_len == 0) + cret = 0; + + if (cret == GNUTLS_E_AGAIN) { + cret = gnutls_record_recv(client, b, 1); + if (cret == GNUTLS_E_INTERRUPTED) cret = GNUTLS_E_AGAIN; + } + assert_true(cret == GNUTLS_E_AGAIN || cret >= 0); + + } while (cret == GNUTLS_E_AGAIN || sret == GNUTLS_E_AGAIN); + assert_true(hstarted != 0); + } else { + char b[1]; + + gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUEST); + + do { + sret = gnutls_reauth(server, 0); + } while (sret == GNUTLS_E_INTERRUPTED); + + assert_true(sret == GNUTLS_E_AGAIN || sret >= 0); + + cret = GNUTLS_E_AGAIN; + do { + if (cret == GNUTLS_E_AGAIN) { + cret = gnutls_record_recv(client, b, 1); + if (cret == GNUTLS_E_INTERRUPTED) cret = GNUTLS_E_AGAIN; + } + + if (sret == GNUTLS_E_AGAIN) { + sret = gnutls_reauth(server, 0); + if (sret == GNUTLS_E_INTERRUPTED) sret = GNUTLS_E_AGAIN; + } + + /* we are done in client side */ + if (gnutls_record_get_direction(client) == 0 && to_client_len == 0) + cret = 0; + } while (cret == GNUTLS_E_AGAIN || sret == GNUTLS_E_AGAIN); + } + assert_return_code(cret, 0); + assert_return_code(sret, 0); + assert_return_code(cert_asked, 1); + + msglen = strlen(MSG); + TRANSFER(client, server, MSG, msglen, buffer, MAX_BUF); + + assert_true(gnutls_bye(client, GNUTLS_SHUT_WR)>=0); + assert_true(gnutls_bye(server, GNUTLS_SHUT_WR)>=0); + + gnutls_deinit(client); + gnutls_deinit(server); + + gnutls_certificate_free_credentials(serverx509cred); + gnutls_certificate_free_credentials(clientx509cred); + + gnutls_global_deinit(); +} + +static void tls12_async_handshake(void **glob_state) +{ + async_handshake(glob_state, "NORMAL:-VERS-ALL:+VERS-TLS1.2", 1); +} + +static void tls13_async_handshake(void **glob_state) +{ + async_handshake(glob_state, "NORMAL:-VERS-ALL:+VERS-TLS1.3", 0); +} + +int main(void) +{ + const struct CMUnitTest tests[] = { + cmocka_unit_test(tls12_async_handshake), + cmocka_unit_test(tls13_async_handshake), + }; + return cmocka_run_group_tests(tests, NULL, NULL); +} |