diff options
| -rw-r--r-- | tests/Makefile.am | 2 | ||||
| -rw-r--r-- | tests/mini-rsa-psk.c | 361 |
2 files changed, 362 insertions, 1 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am index 0e2d38949d..903115fd30 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -73,7 +73,7 @@ ctests = mini-deflate simple gc set_pkcs12_cred certder certuniqueid \ mini-dtls-heartbeat mini-x509-callbacks key-openssl priorities \ mini-dtls-srtp mini-xssl rsa-encrypt-decrypt mini-loss-time \ mini-record mini-dtls-record mini-handshake-timeout mini-record-range \ - mini-cert-status + mini-cert-status mini-rsa-psk if ENABLE_OCSP ctests += ocsp diff --git a/tests/mini-rsa-psk.c b/tests/mini-rsa-psk.c new file mode 100644 index 0000000000..3ec4170397 --- /dev/null +++ b/tests/mini-rsa-psk.c @@ -0,0 +1,361 @@ +/* + * Copyright (C) 2004-2012 Free Software Foundation, Inc. + * Copyright (C) 2013 Adam Sampson <ats@offog.org> + * Copyright (C) 2013 Nikos Mavrogiannopoulos + * + * 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 + */ + +/* Parts copied from GnuTLS example programs. */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> + +#if defined(_WIN32) + +/* socketpair isn't supported on Win32. */ +int +main (int argc, char** argv) +{ + exit (77); +} + +#else + +#include <string.h> +#include <sys/types.h> +#include <sys/socket.h> +#if !defined(_WIN32) +#include <sys/wait.h> +#endif +#include <unistd.h> +#include <gnutls/gnutls.h> + +#include "utils.h" + +/* A very basic TLS client, with PSK authentication. + */ + +const char* side = ""; + +static void +tls_log_func (int level, const char *str) +{ + fprintf (stderr, "%s|<%d>| %s", side, level, str); +} + +#define MAX_BUF 1024 +#define MSG "Hello TLS" + +static void +client (int sd) +{ + int ret, ii; + gnutls_session_t session; + gnutls_certificate_credentials_t clientx509cred; + char buffer[MAX_BUF + 1]; + gnutls_psk_client_credentials_t pskcred; + /* Need to enable anonymous KX specifically. */ + const gnutls_datum_t key = { (void *) "DEADBEEF", 8 }; + + 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); + + gnutls_psk_allocate_client_credentials (&pskcred); + gnutls_psk_set_client_credentials (pskcred, "test", &key, + GNUTLS_PSK_KEY_HEX); + + /* Initialize TLS session + */ + gnutls_init (&session, GNUTLS_CLIENT); + + /* Use default priorities */ + gnutls_priority_set_direct (session, "NORMAL:-KX-ALL:+RSA-PSK", NULL); + + /* put the anonymous credentials to the current session + */ + gnutls_credentials_set (session, GNUTLS_CRD_PSK, pskcred); + gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, clientx509cred); + + gnutls_transport_set_int (session, sd); + + /* 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"); + } + + gnutls_record_send (session, MSG, strlen (MSG)); + + ret = gnutls_record_recv (session, buffer, MAX_BUF); + if (ret == 0) + { + if (debug) + success ("client: Peer has closed the TLS connection\n"); + goto end; + } + else if (ret < 0) + { + fail ("client: Error: %s\n", gnutls_strerror (ret)); + goto end; + } + + if (debug) + { + printf ("- Received %d bytes: ", ret); + for (ii = 0; ii < ret; ii++) + { + fputc (buffer[ii], stdout); + } + fputs ("\n", stdout); + } + + gnutls_bye (session, GNUTLS_SHUT_RDWR); + +end: + + close (sd); + + gnutls_deinit (session); + + gnutls_psk_free_client_credentials (pskcred); + gnutls_certificate_free_credentials (clientx509cred); + + gnutls_global_deinit (); +} + +/* This is a sample TLS 1.0 echo server, for PSK authentication. + */ + +#define MAX_BUF 1024 + +static unsigned char server_cert_pem[] = + "-----BEGIN CERTIFICATE-----\n" + "MIICVjCCAcGgAwIBAgIERiYdMTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n" + "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTIxWhcNMDgwNDE3MTMyOTIxWjA3MRsw\n" + "GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n" + "Lm9yZzCBnDALBgkqhkiG9w0BAQEDgYwAMIGIAoGA17pcr6MM8C6pJ1aqU46o63+B\n" + "dUxrmL5K6rce+EvDasTaDQC46kwTHzYWk95y78akXrJutsoKiFV1kJbtple8DDt2\n" + "DZcevensf9Op7PuFZKBroEjOd35znDET/z3IrqVgbtm2jFqab7a+n2q9p/CgMyf1\n" + "tx2S5Zacc1LWn9bIjrECAwEAAaOBkzCBkDAMBgNVHRMBAf8EAjAAMBoGA1UdEQQT\n" + "MBGCD3Rlc3QuZ251dGxzLm9yZzATBgNVHSUEDDAKBggrBgEFBQcDATAPBgNVHQ8B\n" + "Af8EBQMDB6AAMB0GA1UdDgQWBBTrx0Vu5fglyoyNgw106YbU3VW0dTAfBgNVHSME\n" + "GDAWgBTpPBz7rZJu5gakViyi4cBTJ8jylTALBgkqhkiG9w0BAQUDgYEAaFEPTt+7\n" + "bzvBuOf7+QmeQcn29kT6Bsyh1RHJXf8KTk5QRfwp6ogbp94JQWcNQ/S7YDFHglD1\n" + "AwUNBRXwd3riUsMnsxgeSDxYBfJYbDLeohNBsqaPDJb7XailWbMQKfAbFQ8cnOxg\n" + "rOKLUQRWJ0K3HyXRMhbqjdLIaQiCvQLuizo=\n" "-----END CERTIFICATE-----\n"; + +const gnutls_datum_t server_cert = { server_cert_pem, + sizeof (server_cert_pem) +}; + +static unsigned char server_key_pem[] = + "-----BEGIN RSA PRIVATE KEY-----\n" + "MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n" + "TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n" + "fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n" + "AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n" + "8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n" + "iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n" + "Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n" + "oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n" + "XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n" + "qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n" + "tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n" + "hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n" + "LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n" + "-----END RSA PRIVATE KEY-----\n"; + +const gnutls_datum_t server_key = { server_key_pem, + sizeof (server_key_pem) +}; + +/* These are global */ +gnutls_psk_server_credentials_t server_pskcred; + +static gnutls_session_t +initialize_tls_session (void) +{ + gnutls_session_t session; + + gnutls_init (&session, GNUTLS_SERVER); + + /* avoid calling all the priority functions, since the defaults + * are adequate. + */ + gnutls_priority_set_direct (session, "NORMAL:-KX-ALL:+RSA-PSK", NULL); + + gnutls_credentials_set (session, GNUTLS_CRD_PSK, server_pskcred); + + return session; +} + +static int +pskfunc (gnutls_session_t session, const char *username, gnutls_datum_t * key) +{ + if (debug) + printf ("psk: username %s\n", username); + key->data = gnutls_malloc (4); + key->data[0] = 0xDE; + key->data[1] = 0xAD; + key->data[2] = 0xBE; + key->data[3] = 0xEF; + key->size = 4; + return 0; +} + +int err, ret; +char topbuf[512]; +gnutls_session_t session; +char buffer[MAX_BUF + 1]; +int optval = 1; + +static void +server (int sd) +{ + gnutls_certificate_credentials_t serverx509cred; + + /* 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_psk_allocate_server_credentials (&server_pskcred); + gnutls_psk_set_server_credentials_function (server_pskcred, pskfunc); + gnutls_certificate_allocate_credentials (&serverx509cred); + gnutls_certificate_set_x509_key_mem (serverx509cred, + &server_cert, &server_key, + GNUTLS_X509_FMT_PEM); + + session = initialize_tls_session (); + + gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, serverx509cred); + + gnutls_transport_set_int (session, sd); + 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"); + + /* see the Getting peer's information example */ + /* print_info(session); */ + + for (;;) + { + memset (buffer, 0, MAX_BUF + 1); + ret = gnutls_record_recv (session, buffer, MAX_BUF); + + if (ret == 0) + { + if (debug) + success ("server: Peer has closed the GnuTLS connection\n"); + break; + } + else if (ret < 0) + { + fail ("server: Received corrupted data(%d). Closing...\n", ret); + break; + } + else if (ret > 0) + { + /* echo data back to the client + */ + gnutls_record_send (session, buffer, strlen (buffer)); + } + } + /* do not wait for the peer to close the connection. + */ + gnutls_bye (session, GNUTLS_SHUT_WR); + + close (sd); + gnutls_deinit (session); + + gnutls_psk_free_server_credentials (server_pskcred); + gnutls_certificate_free_credentials (serverx509cred); + + gnutls_global_deinit (); + + if (debug) + success ("server: finished\n"); +} + +void +doit (void) +{ + pid_t child; + int sockets[2]; + + 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 */ + server (sockets[0]); + wait (&status); + } + else + client (sockets[1]); +} + +#endif /* _WIN32 */ |