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author | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2019-01-09 17:35:29 +0000 |
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committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2019-01-09 17:35:29 +0000 |
commit | d894fed388b8d267df47a472e5d3055f8c35bbd6 (patch) | |
tree | 4525645fb2afe830e928332472076aa68e30b5bc /tests/no-extensions.c | |
parent | 7e0ab0096f11ea8b2ebe69f2fe3d20ffc4bb0b6f (diff) | |
parent | b47bdcd966d7d56db1f0d883675b210bbc67061b (diff) | |
download | gnutls-d894fed388b8d267df47a472e5d3055f8c35bbd6.tar.gz |
Merge branch 'tmp-fix-regression-ext-size' into 'master'
When sending no extensions do not include a zero length
See merge request gnutls/gnutls!868
Diffstat (limited to 'tests/no-extensions.c')
-rw-r--r-- | tests/no-extensions.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/tests/no-extensions.c b/tests/no-extensions.c new file mode 100644 index 0000000000..76e0040dae --- /dev/null +++ b/tests/no-extensions.c @@ -0,0 +1,207 @@ +/* + * Copyright (C) 2019 Red Hat, Inc. + * + * Author: 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 <stdint.h> +#include <string.h> +#include <errno.h> +#include <gnutls/gnutls.h> +#include "utils.h" +#include "eagain-common.h" +#include "cert-common.h" +#include "tls13/ext-parse.h" +#include <assert.h> + +const char *side; + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "%s|<%d>| %s", side, level, str); +} + +static int server_handshake_callback(gnutls_session_t session, unsigned int htype, + unsigned post, unsigned int incoming, + const gnutls_datum_t *msg) +{ + unsigned pos; + gnutls_datum_t mmsg; + + assert(post && htype == GNUTLS_HANDSHAKE_SERVER_HELLO); + + switch (htype) { + case GNUTLS_HANDSHAKE_SERVER_HELLO: + assert(msg->size >= HANDSHAKE_SESSION_ID_POS); + pos = HANDSHAKE_SESSION_ID_POS; + SKIP8(pos, msg->size); + pos += 3; /* ciphersuite + compression */ + + mmsg.data = &msg->data[pos]; + mmsg.size = msg->size - pos; + if (pos != msg->size) { + if (pos < msg->size-1) { + fprintf(stderr, "additional bytes: %.2x%.2x\n", mmsg.data[0], mmsg.data[1]); + } + fail("the server hello contains additional bytes\n"); + } + break; + } + return 0; +} + +static int client_handshake_callback(gnutls_session_t session, unsigned int htype, + unsigned post, unsigned int incoming, + const gnutls_datum_t *msg) +{ + unsigned pos; + gnutls_datum_t mmsg; + + assert(!post && htype == GNUTLS_HANDSHAKE_CLIENT_HELLO); + + switch (htype) { + case GNUTLS_HANDSHAKE_CLIENT_HELLO: + assert(msg->size >= HANDSHAKE_SESSION_ID_POS); + pos = HANDSHAKE_SESSION_ID_POS; + SKIP8(pos, msg->size); + SKIP16(pos, msg->size); + SKIP8(pos, msg->size); + + mmsg.data = &msg->data[pos]; + mmsg.size = msg->size - pos; + + if (pos != msg->size) { + if (pos < msg->size-1) { + fprintf(stderr, "additional bytes: %.2x%.2x\n", mmsg.data[0], mmsg.data[1]); + } + fail("the client hello contains additional bytes\n"); + } + break; + } + return 0; +} + +static +void start(const char *prio) +{ + 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; + + success("trying %s\n", prio); + + /* 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_x509_key_mem(serverx509cred, + &server_cert, &server_key, + GNUTLS_X509_FMT_PEM); + + gnutls_init(&server, GNUTLS_SERVER|GNUTLS_NO_EXTENSIONS); + gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, + serverx509cred); + assert(gnutls_priority_set_direct(server, prio, NULL)>=0); + gnutls_transport_set_push_function(server, server_push); + gnutls_transport_set_pull_function(server, server_pull); + gnutls_transport_set_ptr(server, server); + + gnutls_handshake_set_hook_function(server, + GNUTLS_HANDSHAKE_SERVER_HELLO, + GNUTLS_HOOK_POST, + server_handshake_callback); + + /* 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|GNUTLS_NO_EXTENSIONS); + if (ret < 0) + exit(1); + + ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, + clientx509cred); + if (ret < 0) + exit(1); + + gnutls_priority_set_direct(client, prio, NULL); + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_ptr(client, client); + + gnutls_handshake_set_hook_function(client, + GNUTLS_HANDSHAKE_CLIENT_HELLO, + GNUTLS_HOOK_PRE, + client_handshake_callback); + + HANDSHAKE(client, server); + + /* check gnutls_certificate_get_ours() - client side */ + { + const gnutls_datum_t *mcert; + + mcert = gnutls_certificate_get_ours(client); + if (mcert != NULL) { + fail("gnutls_certificate_get_ours(): failed\n"); + exit(1); + } + } + + assert(gnutls_certificate_type_get(server)==GNUTLS_CRT_X509); + assert(gnutls_certificate_type_get(client)==GNUTLS_CRT_X509); + + 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(); + + reset_buffers(); +} + +void doit(void) +{ + start("NORMAL:-VERS-ALL:+VERS-TLS1.0:%NO_EXTENSIONS:%DISABLE_SAFE_RENEGOTIATION"); +} |