diff options
Diffstat (limited to 'tests/tls13/compress-cert-cli.c')
| -rw-r--r-- | tests/tls13/compress-cert-cli.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/tests/tls13/compress-cert-cli.c b/tests/tls13/compress-cert-cli.c new file mode 100644 index 0000000000..f4e66bf313 --- /dev/null +++ b/tests/tls13/compress-cert-cli.c @@ -0,0 +1,246 @@ +/* + * Copyright (C) 2022 Red Hat, Inc. + * + * Author: Daiki Ueno + * + * 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 <https://www.gnu.org/licenses/> + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <gnutls/gnutls.h> +#include <gnutls/crypto.h> +#include <assert.h> +#include "cert-common.h" + +#include "utils.h" +#include "eagain-common.h" + +const char *side = ""; + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "%s|<%d>| %s", side, level, str); +} + +struct handshake_cb_data_st { + bool is_server; + bool found_compress_certificate; + bool found_compressed_certificate; + bool found_certificate; +}; + +static int ext_callback(void *ctx, unsigned tls_id, const unsigned char *data, unsigned size) +{ + struct handshake_cb_data_st *cb_data = ctx; + if (tls_id == 27) { /* compress_certificate */ + cb_data->found_compress_certificate = 1; + } + return 0; +} + +#define SKIP8(pos, total) { \ + uint8_t _s; \ + if (pos+1 > total) fail("error\n"); \ + _s = msg->data[pos]; \ + if ((size_t)(pos+1+_s) > total) fail("error\n"); \ + pos += 1+_s; \ + } + +static int +handshake_callback(gnutls_session_t session, unsigned int htype, + unsigned post, unsigned int incoming, + const gnutls_datum_t *msg) +{ + struct handshake_cb_data_st *data = gnutls_session_get_ptr(session); + unsigned pos = 0; + gnutls_datum_t mmsg; + int ret; + + if ((data->is_server && incoming) || + (!data->is_server && !incoming)) { + return 0; + } + + switch (htype) { + case GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST: + SKIP8(pos, msg->size); + + mmsg.data = &msg->data[pos]; + mmsg.size = msg->size - pos; + ret = gnutls_ext_raw_parse(data, ext_callback, &mmsg, 0); + assert(ret >= 0); + break; + case GNUTLS_HANDSHAKE_COMPRESSED_CERTIFICATE_PKT: + data->found_compressed_certificate = true; + break; + case GNUTLS_HANDSHAKE_CERTIFICATE_PKT: + data->found_certificate = true; + break; + default: + break; + } + + return 0; +} + +static void run(void) +{ + /* Server stuff. */ + gnutls_certificate_credentials_t scred; + gnutls_session_t server; + gnutls_compression_method_t smethods[] = { + GNUTLS_COMP_ZSTD, GNUTLS_COMP_BROTLI, GNUTLS_COMP_ZLIB + }; + struct handshake_cb_data_st sdata = { 0, false, false, false }; + int sret; + /* Client stuff. */ + gnutls_certificate_credentials_t ccred; + gnutls_session_t client; + gnutls_compression_method_t cmethods[] = { + GNUTLS_COMP_ZLIB, GNUTLS_COMP_BROTLI + }; + struct handshake_cb_data_st cdata = { 0, false, false, false }; + int cret; + /* Need to enable anonymous KX specifically. */ + int ret; + + /* General init. */ + global_init(); + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(9); + + /* Init server */ + assert(gnutls_certificate_allocate_credentials(&scred) >= 0); + assert(gnutls_certificate_set_x509_key_mem(scred, + &server_ca3_localhost_cert, + &server_ca3_key, + GNUTLS_X509_FMT_PEM) >= 0); + assert(gnutls_certificate_set_x509_trust_mem(scred, + &ca3_cert, + GNUTLS_X509_FMT_PEM) >= 0); + + assert(gnutls_init(&server, GNUTLS_SERVER) >= 0); + gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUEST); + ret = + gnutls_priority_set_direct(server, + "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3", + NULL); + if (ret < 0) + exit(1); + + ret = gnutls_compress_certificate_set_methods(server, smethods, sizeof(smethods)/sizeof(*smethods)); + if (ret < 0) { + fail("server: setting compression method failed (%s)\n", + gnutls_strerror(ret)); + } + sdata.is_server = true; + gnutls_session_set_ptr(server, &sdata); + gnutls_handshake_set_hook_function(server, GNUTLS_HANDSHAKE_ANY, + GNUTLS_HOOK_POST, + handshake_callback); + + gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred); + gnutls_transport_set_push_function(server, server_push); + gnutls_transport_set_pull_function(server, server_pull); + gnutls_transport_set_ptr(server, server); + + /* Init client */ + assert(gnutls_certificate_allocate_credentials(&ccred) >= 0); + assert(gnutls_certificate_set_x509_key_mem + (ccred, &cli_ca3_cert_chain, &cli_ca3_key, GNUTLS_X509_FMT_PEM) >= 0); + assert(gnutls_certificate_set_x509_trust_mem + (ccred, &ca3_cert, GNUTLS_X509_FMT_PEM) >= 0); + + gnutls_init(&client, GNUTLS_CLIENT); + ret = + gnutls_priority_set_direct(client, + "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3", + NULL); + assert(ret >= 0); + + ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred); + if (ret < 0) + exit(1); + + ret = gnutls_compress_certificate_set_methods(client, cmethods, sizeof(cmethods)/sizeof(*cmethods)); + if (ret < 0) { + fail("client: setting compression method failed (%s)\n", + gnutls_strerror(ret)); + } + cdata.is_server = false; + gnutls_session_set_ptr(client, &cdata); + gnutls_handshake_set_hook_function(client, GNUTLS_HANDSHAKE_ANY, + GNUTLS_HOOK_POST, + handshake_callback); + + 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 (debug) + success("Handshake established\n"); + + if (!sdata.found_compress_certificate) { + fail("server: compress_certificate extension not sent\n"); + } + if (!sdata.found_compressed_certificate) { + fail("server: CompressedCertificate not sent\n"); + } + if (sdata.found_certificate) { + fail("server: Certificate sent\n"); + } + if (!cdata.found_compress_certificate) { + fail("client: compress_certificate extension not received\n"); + } + if (!cdata.found_compressed_certificate) { + fail("client: CompressedCertificate not received\n"); + } + if (cdata.found_certificate) { + fail("client: Certificate not received\n"); + } + + gnutls_bye(client, GNUTLS_SHUT_WR); + gnutls_bye(server, GNUTLS_SHUT_WR); + + gnutls_deinit(client); + gnutls_deinit(server); + + gnutls_certificate_free_credentials(scred); + gnutls_certificate_free_credentials(ccred); + + gnutls_global_deinit(); + reset_buffers(); +} + +void doit(void) +{ +#if !defined(HAVE_LIBZ) || !defined(HAVE_LIBBROTLI) || !defined(HAVE_LIBZSTD) + exit(77); +#endif + run(); +} |