From: Nikos Mavrogiannopoulos Date: Wed, 5 Oct 2016 08:43:29 +0000 (+0200) Subject: tests: added checks for gnutls_session_ext_register X-Git-Tag: gnutls_3_5_5~17 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e3cdbd83150e5f7e6ced1467abb0e2696c22bbd;p=thirdparty%2Fgnutls.git tests: added checks for gnutls_session_ext_register --- diff --git a/tests/Makefile.am b/tests/Makefile.am index dfe0600e5d..580c809e72 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -86,7 +86,7 @@ ctests = mini-record-2 simple gc set_pkcs12_cred certder certuniqueid \ mini-chain-unsorted x509-verify-with-crl mini-dtls-mtu \ mini-dtls-record-asym openpgp-callback key-import-export \ mini-dtls-fork mini-dtls-pthread mini-key-material x509cert-invalid \ - strict-der mini-extension mini-supplementaldata mini-dtls0-9 \ + strict-der tls-ext-register mini-supplementaldata mini-dtls0-9 \ mini-record-retvals mini-server-name mini-etm x509-cert-callback \ sign-md5-rep keygen mini-tls-nonblock no-signal pkcs7-gen \ x509sign-verify2 mini-alignment oids atfork prf psk-file \ @@ -113,7 +113,7 @@ ctests = mini-record-2 simple gc set_pkcs12_cred certder certuniqueid \ safe-renegotiation/srn3 safe-renegotiation/srn4 safe-renegotiation/srn5 \ rsa-illegal-import set_x509_key_file_ocsp_multi set_key set_x509_key_file_ocsp_multi2 \ set_key_utf8 set_x509_key_utf8 insecure_key handshake-large-packet \ - client_dsa_key server_ecdsa_key + client_dsa_key server_ecdsa_key tls-session-ext-register if HAVE_SECCOMP_TESTS ctests += dtls-with-seccomp tls-with-seccomp dtls-client-with-seccomp tls-client-with-seccomp diff --git a/tests/mini-extension.c b/tests/tls-ext-register.c similarity index 100% rename from tests/mini-extension.c rename to tests/tls-ext-register.c diff --git a/tests/tls-session-ext-register.c b/tests/tls-session-ext-register.c new file mode 100644 index 0000000000..ea17f48870 --- /dev/null +++ b/tests/tls-session-ext-register.c @@ -0,0 +1,298 @@ +/* + * Copyright (C) 2004-2016 Free Software Foundation, Inc. + * + * Author: Thierry Quemerais + * + * 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 + */ + +/* This program tests whether an extension is exchanged when registered + * at the session level */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#if defined(_WIN32) + +/* socketpair isn't supported on Win32. */ +int main(int argc, char **argv) +{ + exit(77); +} + +#else + +#include +#include +#include +#if !defined(_WIN32) +#include +#include +#endif +#include +#include + +#include "utils.h" +#include "cert-common.h" + +const char *side = ""; + +static void tls_log_func(int level, const char *str) +{ + fprintf(stderr, "%s|<%d>| %s", side, level, str); +} + +#define TLSEXT_TYPE_SAMPLE 0xF1 + +static int TLSEXT_TYPE_client_sent = 0; +static int TLSEXT_TYPE_client_received = 0; +static int TLSEXT_TYPE_server_sent = 0; +static int TLSEXT_TYPE_server_received = 0; + +static const unsigned char ext_data[] = +{ + 0xFE, + 0xED +}; + +static int ext_recv_client_params(gnutls_session_t session, const unsigned char *buf, size_t buflen) +{ + if (buflen != sizeof(ext_data)) + fail("ext_recv_client_params: Invalid input buffer length\n"); + + if (memcmp(buf, ext_data, sizeof(ext_data)) != 0) + fail("ext_recv_client_params: Invalid input buffer data\n"); + + TLSEXT_TYPE_client_received = 1; + + gnutls_ext_set_data(session, TLSEXT_TYPE_SAMPLE, session); + + return 0; //Success +} + +static int ext_send_client_params(gnutls_session_t session, gnutls_buffer_t extdata) +{ + TLSEXT_TYPE_client_sent = 1; + gnutls_buffer_append_data(extdata, ext_data, sizeof(ext_data)); + return sizeof(ext_data); +} + +static int ext_recv_server_params(gnutls_session_t session, const unsigned char *buf, size_t buflen) +{ + if (buflen != sizeof(ext_data)) + fail("ext_recv_server_params: Invalid input buffer length\n"); + + if (memcmp(buf, ext_data, sizeof(ext_data)) != 0) + fail("ext_recv_server_params: Invalid input buffer data\n"); + + TLSEXT_TYPE_server_received = 1; + + return 0; //Success +} + +static int ext_send_server_params(gnutls_session_t session, gnutls_buffer_t extdata) +{ + TLSEXT_TYPE_server_sent = 1; + gnutls_buffer_append_data(extdata, ext_data, sizeof(ext_data)); + return sizeof(ext_data); +} + +static void client(int sd) +{ + int ret; + gnutls_session_t session; + gnutls_certificate_credentials_t clientx509cred; + void *p; + + global_init(); + gnutls_global_set_log_function(tls_log_func); + if (debug) + gnutls_global_set_log_level(4711); + + side = "client"; + + gnutls_certificate_allocate_credentials(&clientx509cred); + + /* Initialize TLS session + */ + gnutls_init(&session, GNUTLS_CLIENT); + + /* Use default priorities */ + gnutls_priority_set_direct(session, "PERFORMANCE:+ANON-ECDH:+ANON-DH", + NULL); + + /* put the anonymous credentials to the current session + */ + gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, + clientx509cred); + + gnutls_transport_set_int(session, sd); + gnutls_handshake_set_timeout(session, 20 * 1000); + + gnutls_session_ext_register(session, "ext_client", TLSEXT_TYPE_SAMPLE, GNUTLS_EXT_TLS, ext_recv_client_params, ext_send_client_params, NULL, NULL, NULL, 0); + + /* 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 (TLSEXT_TYPE_client_sent != 1 || TLSEXT_TYPE_client_received != 1) + fail("client: extension not properly sent/received\n"); + + ret = gnutls_ext_get_data(session, TLSEXT_TYPE_SAMPLE, &p); + if (ret < 0) { + fail("gnutls_ext_get_data: %s\n", gnutls_strerror(ret)); + } + + if (p != session) { + fail("client: gnutls_ext_get_data failed\n"); + } + + gnutls_bye(session, GNUTLS_SHUT_RDWR); + +end: + close(sd); + + gnutls_deinit(session); + + gnutls_certificate_free_credentials(clientx509cred); + + gnutls_global_deinit(); +} + +static void server(int sd) +{ + gnutls_certificate_credentials_t serverx509cred; + int ret; + gnutls_session_t session; + unsigned i; + + /* 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_certificate_allocate_credentials(&serverx509cred); + gnutls_certificate_set_x509_key_mem(serverx509cred, + &server_cert, &server_key, + GNUTLS_X509_FMT_PEM); + + gnutls_init(&session, GNUTLS_SERVER); + + /* avoid calling all the priority functions, since the defaults + * are adequate. + */ + gnutls_priority_set_direct(session, "PERFORMANCE:+ANON-ECDH:+ANON-DH", + NULL); + + gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, + serverx509cred); + + gnutls_session_ext_register(session, "ext_server", TLSEXT_TYPE_SAMPLE, GNUTLS_EXT_TLS, ext_recv_server_params, ext_send_server_params, NULL, NULL, NULL, 0); + + gnutls_transport_set_int(session, sd); + gnutls_handshake_set_timeout(session, 20 * 1000); + + 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"); + + if (TLSEXT_TYPE_server_sent != 1 || TLSEXT_TYPE_server_received != 1) + fail("server: extension not properly sent/received\n"); + + /* do not wait for the peer to close the connection. + */ + gnutls_bye(session, GNUTLS_SHUT_WR); + + /* check whether we can crash the library by adding many extensions */ + for (i=0;i<64;i++) { + ret = gnutls_ext_register("ext_serverxx", TLSEXT_TYPE_SAMPLE+i+1, GNUTLS_EXT_TLS, ext_recv_server_params, ext_send_server_params, NULL, NULL, NULL); + if (ret < 0) { + success("failed registering extension no %d (expected)\n", i+1); + break; + } + } + + close(sd); + gnutls_deinit(session); + + gnutls_certificate_free_credentials(serverx509cred); + + gnutls_global_deinit(); + + if (debug) + success("server: finished\n"); +} + +void doit(void) +{ + pid_t child; + int sockets[2]; + int err; + + signal(SIGPIPE, SIG_IGN); + + err = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets); + if (err == -1) { + perror("socketpair"); + fail("socketpair failed\n"); + return; + } + + child = fork(); + if (child < 0) { + perror("fork"); + fail("fork"); + return; + } + + if (child) { + int status; + /* parent */ + close(sockets[1]); + server(sockets[0]); + wait(&status); + } else { + close(sockets[0]); + client(sockets[1]); + } +} + +#endif /* _WIN32 */