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Diffstat (limited to '')
| -rw-r--r-- | tests/common-cert-key-exchange.c | 619 |
1 files changed, 619 insertions, 0 deletions
diff --git a/tests/common-cert-key-exchange.c b/tests/common-cert-key-exchange.c new file mode 100644 index 0000000..de4b57a --- /dev/null +++ b/tests/common-cert-key-exchange.c @@ -0,0 +1,619 @@ +/* + * Copyright (C) 2015-2016 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 General Public License + * along with GnuTLS; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +/* This program tests the various certificate key exchange methods supported + * in gnutls */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <gnutls/gnutls.h> +#include <gnutls/dtls.h> +#include "utils.h" +#include <assert.h> + +#include "eagain-common.h" +#include "common-cert-key-exchange.h" + +const char *side; +const char *server_priority = NULL; + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "%s|<%d>| %s", side, level, str); +} + +#define MSG "hello there ppl" + +void try_with_key_fail(const char *name, const char *client_prio, + int server_err, int client_err, + const gnutls_datum_t *serv_cert, + const gnutls_datum_t *serv_key, + const gnutls_datum_t *cli_cert, + const gnutls_datum_t *cli_key) +{ + 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; + const char *err; + + /* General init. */ + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(6); + + reset_buffers(); + /* Init server */ + assert(gnutls_certificate_allocate_credentials(&serverx509cred)>=0); + + ret = gnutls_certificate_set_x509_key_mem(serverx509cred, + serv_cert, serv_key, + GNUTLS_X509_FMT_PEM); + if (ret < 0) + fail("Could not set key/cert: %s\n", gnutls_strerror(ret)); + + assert(gnutls_init(&server, GNUTLS_SERVER)>=0); + if (server_priority) + assert(gnutls_priority_set_direct(server, server_priority, NULL) >= 0); + else + assert(gnutls_priority_set_direct(server, client_prio, NULL) >= 0); + + assert(gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, + serverx509cred)>=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); + if (ret < 0) + exit(1); + + if (cli_cert) { + gnutls_certificate_set_x509_key_mem(clientx509cred, + cli_cert, cli_key, + GNUTLS_X509_FMT_PEM); + gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUIRE); + } + + ret = gnutls_init(&client, GNUTLS_CLIENT); + if (ret < 0) + exit(1); + + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_ptr(client, client); + + ret = gnutls_priority_set_direct(client, client_prio, &err); + if (ret < 0) { + if (ret == GNUTLS_E_INVALID_REQUEST) + fprintf(stderr, "Error in %s\n", err); + exit(1); + } + + ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, + clientx509cred); + if (ret < 0) + exit(1); + + success("negotiating %s\n", name); + HANDSHAKE_EXPECT(client, server, client_err, server_err); + + gnutls_deinit(client); + gnutls_deinit(server); + + gnutls_certificate_free_credentials(serverx509cred); + gnutls_certificate_free_credentials(clientx509cred); +} + +void try_with_rawpk_key_fail(const char *name, const char *client_prio, + int server_err, int client_err, + const gnutls_datum_t *serv_cert, + const gnutls_datum_t *serv_key, + unsigned server_ku, + const gnutls_datum_t *cli_cert, + const gnutls_datum_t *cli_key, + unsigned client_ku) +{ + int ret; + /* Server stuff. */ + gnutls_certificate_credentials_t server_cred; + gnutls_session_t server; + int sret = GNUTLS_E_AGAIN; + /* Client stuff. */ + gnutls_certificate_credentials_t client_cred; + gnutls_session_t client; + int cret = GNUTLS_E_AGAIN; + const char *err; + + /* General init. */ + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(6); + + reset_buffers(); + /* Init server */ + gnutls_certificate_allocate_credentials(&server_cred); + + ret = gnutls_certificate_set_rawpk_key_mem(server_cred, + serv_cert, serv_key, GNUTLS_X509_FMT_PEM, NULL, server_ku, + NULL, 0, 0); + if (ret < 0) + fail("Could not set key/cert: %s\n", gnutls_strerror(ret)); + + assert(gnutls_init(&server, GNUTLS_SERVER | GNUTLS_ENABLE_RAWPK) >= 0); + if (server_priority) + assert(gnutls_priority_set_direct(server, server_priority, NULL) >= 0); + else + assert(gnutls_priority_set_direct(server, client_prio, NULL) >= 0); + + gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, + server_cred); + + 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(&client_cred); + if (ret < 0) + exit(1); + + if (cli_cert) { + ret = gnutls_certificate_set_rawpk_key_mem(client_cred, + cli_cert, cli_key, GNUTLS_X509_FMT_PEM, NULL, client_ku, + NULL, 0, 0); + if (ret < 0) + fail("Could not set key/cert: %s\n", gnutls_strerror(ret)); + gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUIRE); + } + + ret = gnutls_init(&client, GNUTLS_CLIENT|GNUTLS_ENABLE_RAWPK); + if (ret < 0) + exit(1); + + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_ptr(client, client); + + ret = gnutls_priority_set_direct(client, client_prio, &err); + if (ret < 0) { + if (ret == GNUTLS_E_INVALID_REQUEST) + fprintf(stderr, "Error in %s\n", err); + exit(1); + } + + ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, + client_cred); + if (ret < 0) + exit(1); + + success("negotiating %s\n", name); + HANDSHAKE_EXPECT(client, server, client_err, server_err); + + gnutls_deinit(client); + gnutls_deinit(server); + + gnutls_certificate_free_credentials(server_cred); + gnutls_certificate_free_credentials(client_cred); +} + +void try_with_key_ks(const char *name, const char *client_prio, gnutls_kx_algorithm_t client_kx, + gnutls_sign_algorithm_t server_sign_algo, + gnutls_sign_algorithm_t client_sign_algo, + const gnutls_datum_t *serv_cert, + const gnutls_datum_t *serv_key, + const gnutls_datum_t *client_cert, + const gnutls_datum_t *client_key, + unsigned cert_flags, + unsigned exp_group, + gnutls_certificate_type_t server_ctype, + gnutls_certificate_type_t client_ctype) +{ + int ret; + char buffer[256]; + /* Server stuff. */ + gnutls_certificate_credentials_t server_cred; + gnutls_anon_server_credentials_t s_anoncred; + gnutls_dh_params_t dh_params; + const gnutls_datum_t p3 = + { (unsigned char *) pkcs3, strlen(pkcs3) }; + gnutls_session_t server; + int sret = GNUTLS_E_AGAIN; + /* Client stuff. */ + gnutls_certificate_credentials_t client_cred; + gnutls_anon_client_credentials_t c_anoncred; + gnutls_session_t client; + int cret = GNUTLS_E_AGAIN, version; + const char *err; + + /* General init. */ + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(6); + + reset_buffers(); + /* Init server */ + assert(gnutls_anon_allocate_server_credentials(&s_anoncred)>=0); + assert(gnutls_certificate_allocate_credentials(&server_cred)>=0); + + // Set server crt creds based on ctype + switch (server_ctype) { + case GNUTLS_CRT_X509: + ret = gnutls_certificate_set_x509_key_mem(server_cred, + serv_cert, serv_key, + GNUTLS_X509_FMT_PEM); + break; + case GNUTLS_CRT_RAWPK: + ret = gnutls_certificate_set_rawpk_key_mem(server_cred, + serv_cert, serv_key, GNUTLS_X509_FMT_PEM, NULL, 0, + NULL, 0, 0); + break; + default: + ret = GNUTLS_E_UNSUPPORTED_CERTIFICATE_TYPE; + } + + if (ret < 0) { + fail("Could not set key/cert: %s\n", gnutls_strerror(ret)); + } + + gnutls_dh_params_init(&dh_params); + gnutls_dh_params_import_pkcs3(dh_params, &p3, GNUTLS_X509_FMT_PEM); + gnutls_certificate_set_dh_params(server_cred, dh_params); + gnutls_anon_set_server_dh_params(s_anoncred, dh_params); + + assert(gnutls_init(&server, GNUTLS_SERVER | GNUTLS_ENABLE_RAWPK)>=0); + assert(gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, + server_cred)>=0); + assert(gnutls_credentials_set(server, GNUTLS_CRD_ANON, s_anoncred)>=0); + + if (server_priority) + assert(gnutls_priority_set_direct(server, server_priority, NULL) >= 0); + else + assert(gnutls_priority_set_direct(server, + "NORMAL:+VERS-SSL3.0:+ANON-ECDH:+ANON-DH:+ECDHE-RSA:+DHE-RSA:+RSA:+ECDHE-ECDSA:+CURVE-X25519:+SIGN-EDDSA-ED25519:+CTYPE-ALL", + NULL)>=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(&client_cred); + if (ret < 0) + exit(1); + + if (cert_flags == USE_CERT) { + // Set client crt creds based on ctype + switch (client_ctype) { + case GNUTLS_CRT_X509: + gnutls_certificate_set_x509_key_mem(client_cred, + client_cert, client_key, + GNUTLS_X509_FMT_PEM); + break; + case GNUTLS_CRT_RAWPK: + gnutls_certificate_set_rawpk_key_mem(client_cred, + client_cert, client_key, GNUTLS_X509_FMT_PEM, NULL, 0, + NULL, 0, 0); + break; + default: + fail("Illegal client certificate type given\n"); + } + + gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUIRE); + } else if (cert_flags == ASK_CERT) { + gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUEST); + } + +#if 0 + ret = gnutls_certificate_set_x509_trust_mem(client_cred, &ca_cert, GNUTLS_X509_FMT_PEM); + if (ret < 0) + exit(1); +#endif + ret = gnutls_init(&client, GNUTLS_CLIENT | GNUTLS_ENABLE_RAWPK); + if (ret < 0) + exit(1); + + + assert(gnutls_anon_allocate_client_credentials(&c_anoncred)>=0); + assert(gnutls_credentials_set(client, GNUTLS_CRD_ANON, c_anoncred)>=0); + ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, + client_cred); + if (ret < 0) + exit(1); + + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_ptr(client, client); + + ret = gnutls_priority_set_direct(client, client_prio, &err); + if (ret < 0) { + if (ret == GNUTLS_E_INVALID_REQUEST) + fprintf(stderr, "Error in %s\n", err); + exit(1); + } + success("negotiating %s\n", name); + HANDSHAKE(client, server); + + if (gnutls_kx_get(client) != client_kx) { + fail("%s: got unexpected key exchange algorithm: %s (expected %s)\n", name, gnutls_kx_get_name(gnutls_kx_get(client)), + gnutls_kx_get_name(client_kx)); + exit(1); + } + + /* test signature algorithm match */ + version = gnutls_protocol_get_version(client); + if (version >= GNUTLS_TLS1_2) { + ret = gnutls_sign_algorithm_get(server); + if (ret != (int)server_sign_algo) { + fail("%s: got unexpected server signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret)); + exit(1); + } + + ret = gnutls_sign_algorithm_get_client(server); + if (ret != (int)client_sign_algo) { + fail("%s: got unexpected client signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret)); + exit(1); + } + + ret = gnutls_sign_algorithm_get(client); + if (ret != (int)server_sign_algo) { + fail("%s: cl: got unexpected server signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret)); + exit(1); + } + + ret = gnutls_sign_algorithm_get_client(client); + if (ret != (int)client_sign_algo) { + fail("%s: cl: got unexpected client signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret)); + exit(1); + } + } + + if (exp_group != 0) { + ret = gnutls_group_get(server); + if (ret != (int)exp_group) { + fail("%s: got unexpected server group: %d/%s\n", name, ret, gnutls_group_get_name(ret)); + } + + ret = gnutls_group_get(client); + if (ret != (int)exp_group) { + fail("%s: got unexpected client group: %d/%s\n", name, ret, gnutls_group_get_name(ret)); + } + } + + gnutls_record_send(server, MSG, strlen(MSG)); + + ret = gnutls_record_recv(client, buffer, sizeof(buffer)); + if (ret == 0) { + fail("client: Peer has closed the TLS connection\n"); + exit(1); + } else if (ret < 0) { + fail("client: Error: %s\n", gnutls_strerror(ret)); + exit(1); + } + + if (ret != strlen(MSG) || memcmp(MSG, buffer, ret) != 0) { + fail("client: Error in data received. Expected %d, got %d\n", (int)strlen(MSG), ret); + exit(1); + } + + gnutls_bye(client, GNUTLS_SHUT_RDWR); + gnutls_bye(server, GNUTLS_SHUT_RDWR); + + gnutls_deinit(client); + gnutls_deinit(server); + + gnutls_certificate_free_credentials(server_cred); + gnutls_certificate_free_credentials(client_cred); + gnutls_anon_free_server_credentials(s_anoncred); + gnutls_anon_free_client_credentials(c_anoncred); + gnutls_dh_params_deinit(dh_params); +} + +void dtls_try_with_key_mtu(const char *name, const char *client_prio, gnutls_kx_algorithm_t client_kx, + gnutls_sign_algorithm_t server_sign_algo, + gnutls_sign_algorithm_t client_sign_algo, + const gnutls_datum_t *serv_cert, + const gnutls_datum_t *serv_key, + const gnutls_datum_t *client_cert, + const gnutls_datum_t *client_key, + unsigned cert_flags, + unsigned smtu) +{ + int ret; + char buffer[256]; + /* Server stuff. */ + gnutls_certificate_credentials_t serverx509cred; + gnutls_anon_server_credentials_t s_anoncred; + gnutls_dh_params_t dh_params; + const gnutls_datum_t p3 = + { (unsigned char *) pkcs3, strlen(pkcs3) }; + gnutls_session_t server; + int sret = GNUTLS_E_AGAIN; + /* Client stuff. */ + gnutls_certificate_credentials_t clientx509cred; + gnutls_anon_client_credentials_t c_anoncred; + gnutls_session_t client; + int cret = GNUTLS_E_AGAIN, version; + + /* General init. */ + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(6); + + reset_buffers(); + /* Init server */ + gnutls_anon_allocate_server_credentials(&s_anoncred); + gnutls_certificate_allocate_credentials(&serverx509cred); + + ret = gnutls_certificate_set_x509_key_mem(serverx509cred, + serv_cert, serv_key, + GNUTLS_X509_FMT_PEM); + if (ret < 0) { + fail("Could not set key/cert: %s\n", gnutls_strerror(ret)); + } + + gnutls_dh_params_init(&dh_params); + gnutls_dh_params_import_pkcs3(dh_params, &p3, GNUTLS_X509_FMT_PEM); + gnutls_certificate_set_dh_params(serverx509cred, dh_params); + gnutls_anon_set_server_dh_params(s_anoncred, dh_params); + + assert(gnutls_init(&server, GNUTLS_SERVER|GNUTLS_DATAGRAM|GNUTLS_NONBLOCK)>=0); + assert(gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, + serverx509cred)>=0); + assert(gnutls_credentials_set(server, GNUTLS_CRD_ANON, s_anoncred)>=0); + + assert(gnutls_priority_set_direct(server, + "NORMAL:+ANON-ECDH:+ANON-DH:+ECDHE-RSA:+DHE-RSA:+RSA:+ECDHE-ECDSA:+CURVE-X25519", + NULL)>=0); + gnutls_transport_set_push_function(server, server_push); + gnutls_transport_set_pull_function(server, server_pull); + gnutls_transport_set_pull_timeout_function(server, server_pull_timeout_func); + gnutls_transport_set_ptr(server, server); + if (smtu) + gnutls_dtls_set_mtu (server, smtu); + + /* Init client */ + + ret = gnutls_certificate_allocate_credentials(&clientx509cred); + if (ret < 0) + exit(1); + + if (cert_flags == USE_CERT) { + ret = gnutls_certificate_set_x509_key_mem(clientx509cred, + client_cert, client_key, + GNUTLS_X509_FMT_PEM); + if (ret < 0) { + fail("Could not set key/cert: %s\n", gnutls_strerror(ret)); + } + gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUIRE); + } else if (cert_flags == ASK_CERT) { + gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUEST); + } + +#if 0 + ret = gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca_cert, GNUTLS_X509_FMT_PEM); + if (ret < 0) + exit(1); +#endif + + ret = gnutls_init(&client, GNUTLS_CLIENT|GNUTLS_DATAGRAM|GNUTLS_NONBLOCK); + if (ret < 0) + exit(1); + + assert(gnutls_anon_allocate_client_credentials(&c_anoncred)>=0); + assert(gnutls_credentials_set(client, GNUTLS_CRD_ANON, c_anoncred)>=0); + ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, + clientx509cred); + if (ret < 0) + exit(1); + + gnutls_transport_set_push_function(client, client_push); + gnutls_transport_set_pull_function(client, client_pull); + gnutls_transport_set_pull_timeout_function(client, client_pull_timeout_func); + + gnutls_transport_set_ptr(client, client); + if (smtu) + gnutls_dtls_set_mtu (client, smtu); + + ret = gnutls_priority_set_direct(client, client_prio, NULL); + if (ret < 0) { + exit(1); + } + success("negotiating %s\n", name); + HANDSHAKE_DTLS(client, server); + + if (gnutls_kx_get(client) != client_kx) { + fail("%s: got unexpected key exchange algorithm: %s (expected %s)\n", name, gnutls_kx_get_name(gnutls_kx_get(client)), + gnutls_kx_get_name(client_kx)); + exit(1); + } + + + /* test signature algorithm match */ + version = gnutls_protocol_get_version(client); + if (version >= GNUTLS_DTLS1_2) { + ret = gnutls_sign_algorithm_get(server); + if (ret != (int)server_sign_algo) { + fail("%s: got unexpected server signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret)); + exit(1); + } + + ret = gnutls_sign_algorithm_get_client(server); + if (ret != (int)client_sign_algo) { + fail("%s: got unexpected client signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret)); + exit(1); + } + + ret = gnutls_sign_algorithm_get(client); + if (ret != (int)server_sign_algo) { + fail("%s: cl: got unexpected server signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret)); + exit(1); + } + + ret = gnutls_sign_algorithm_get_client(client); + if (ret != (int)client_sign_algo) { + fail("%s: cl: got unexpected client signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret)); + exit(1); + } + } + + gnutls_record_send(server, MSG, strlen(MSG)); + + ret = gnutls_record_recv(client, buffer, sizeof(buffer)); + if (ret == 0) { + fail("client: Peer has closed the TLS connection\n"); + exit(1); + } else if (ret < 0) { + fail("client: Error: %s\n", gnutls_strerror(ret)); + exit(1); + } + + if (ret != strlen(MSG) || memcmp(MSG, buffer, ret) != 0) { + fail("client: Error in data received. Expected %d, got %d\n", (int)strlen(MSG), ret); + exit(1); + } + + 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_anon_free_server_credentials(s_anoncred); + gnutls_anon_free_client_credentials(c_anoncred); + gnutls_dh_params_deinit(dh_params); +} + |