tests: Added test for MAC verification checks

1 files changed, 420 insertions, 0 deletions

diff --git a/tests/mini-record-failure.c b/tests/mini-record-failure.c
new file mode 100644
index 0000000000..009076f738
--- /dev/null
+++ b/tests/mini-record-failure.c
@@ -0,0 +1,420 @@
+/*
+ * Copyright (C) 2014 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
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(_WIN32)
+
+int main()
+{
+	exit(77);
+}
+
+#else
+
+#include <string.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/dtls.h>
+#include <signal.h>
+
+#include "utils.h"
+
+static void terminate(void);
+
+/* This program tests the ability to detect modified record
+ * packets.
+ */
+
+static void server_log_func(int level, const char *str)
+{
+	fprintf(stderr, "server|<%d>| %s", level, str);
+}
+
+static void client_log_func(int level, const char *str)
+{
+	fprintf(stderr, "client|<%d>| %s", level, str);
+}
+
+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)
+};
+
+static int modify = 0;
+
+static ssize_t
+client_push(gnutls_transport_ptr_t tr, const void *data, size_t len)
+{
+	unsigned int fd = (long)tr;
+
+	if (modify == 0)
+		return send(fd, data, len, 0);
+	else {
+		uint8_t *p = (void*)data;
+		if (len < 30) {
+			fail("test error in packet sending\n");
+			exit(1);
+		}
+		p[len-30]++;
+		return send(fd, data, len, 0);
+	}
+}
+
+/* A very basic TLS client, with anonymous authentication.
+ */
+
+#define MAX_BUF 24*1024
+
+static void client(int fd, const char *prio, int ign)
+{
+	int ret;
+	char buffer[MAX_BUF + 1];
+	const char* err;
+	gnutls_anon_client_credentials_t anoncred;
+	gnutls_certificate_credentials_t x509_cred;
+	gnutls_session_t session;
+	/* Need to enable anonymous KX specifically. */
+
+	global_init();
+	memset(buffer, 2, sizeof(buffer));
+
+	if (debug) {
+		gnutls_global_set_log_function(client_log_func);
+		gnutls_global_set_log_level(7);
+	}
+
+	gnutls_anon_allocate_client_credentials(&anoncred);
+	gnutls_certificate_allocate_credentials(&x509_cred);
+
+	/* Initialize TLS session
+	 */
+	gnutls_init(&session, GNUTLS_CLIENT);
+
+	gnutls_transport_set_push_function(session, client_push);
+	/* Use default priorities */
+	ret = gnutls_priority_set_direct(session, prio, &err);
+	if (ret < 0) {
+		fail("error setting priority: %s\n", err);
+		exit(1);
+	}
+
+	/* put the anonymous credentials to the current session
+	 */
+	gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
+
+	gnutls_transport_set_int(session, fd);
+
+	/* Perform the TLS handshake
+	 */
+	do {
+		ret = gnutls_handshake(session);
+	}
+	while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+
+	if (ret < 0) {
+		fail("client (%s): Handshake has failed (%s)\n\n", prio,
+		     gnutls_strerror(ret));
+		exit(1);
+	} else {
+		if (debug)
+			success("client: Handshake was completed\n");
+	}
+
+	if (debug)
+		success("client: TLS version is: %s\n",
+			gnutls_protocol_get_name
+			(gnutls_protocol_get_version(session)));
+
+	modify = 1;
+	do {
+		ret = gnutls_record_send(session, buffer, 2048);
+	} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+	modify = 0;
+
+	if (ret < 0) {
+		fail("client[%s]: Error sending packet: %s\n", prio, gnutls_strerror(ret));
+		terminate();
+	}
+
+	gnutls_bye(session, GNUTLS_SHUT_WR);
+
+	close(fd);
+
+	gnutls_deinit(session);
+
+	gnutls_anon_free_client_credentials(anoncred);
+	gnutls_certificate_free_credentials(x509_cred);
+
+	gnutls_global_deinit();
+}
+
+
+/* These are global */
+pid_t child;
+
+static void terminate(void)
+{
+	kill(child, SIGTERM);
+	exit(1);
+}
+
+static void server(int fd, const char *prio, int ign)
+{
+	int ret;
+	const char* err;
+	char buffer[MAX_BUF + 1];
+	gnutls_session_t session;
+	gnutls_anon_server_credentials_t anoncred;
+	gnutls_certificate_credentials_t x509_cred;
+
+	/* this must be called once in the program
+	 */
+	global_init();
+	memset(buffer, 0, sizeof(buffer));
+
+	if (debug) {
+		gnutls_global_set_log_function(server_log_func);
+		gnutls_global_set_log_level(4711);
+	}
+
+	gnutls_certificate_allocate_credentials(&x509_cred);
+	gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
+					    &server_key,
+					    GNUTLS_X509_FMT_PEM);
+
+	gnutls_anon_allocate_server_credentials(&anoncred);
+
+	gnutls_init(&session, GNUTLS_SERVER);
+
+	/* avoid calling all the priority functions, since the defaults
+	 * are adequate.
+	 */
+	ret = gnutls_priority_set_direct(session, prio, &err);
+	if (ret < 0) {
+		fail("error setting priority: %s\n", err);
+		exit(1);
+	}
+
+	gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
+
+	gnutls_transport_set_int(session, fd);
+
+	do {
+		ret = gnutls_handshake(session);
+	}
+	while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+	if (ret < 0) {
+		close(fd);
+		gnutls_deinit(session);
+		fail("server (%s): Handshake has failed (%s)\n\n", prio,
+		     gnutls_strerror(ret));
+		terminate();
+	}
+	if (debug)
+		success("server: Handshake was completed\n");
+
+	if (debug)
+		success("server: TLS version is: %s\n",
+			gnutls_protocol_get_name
+			(gnutls_protocol_get_version(session)));
+
+	/* Here we do both a receive and a send test because if valgrind
+	 * detects an error on the peer, the main process will never know.
+	 */
+
+	/* Test receiving */
+	do {
+		ret = gnutls_record_recv(session, buffer, MAX_BUF);
+	} while (ret == GNUTLS_E_AGAIN
+			 || ret == GNUTLS_E_INTERRUPTED);
+	
+	if (ret != GNUTLS_E_DECRYPTION_FAILED) {
+		fail("server: received modified packet with error code %d\n", ret);
+		exit(1);
+	}
+
+	close(fd);
+	gnutls_deinit(session);
+
+	gnutls_anon_free_server_credentials(anoncred);
+	gnutls_certificate_free_credentials(x509_cred);
+
+	gnutls_global_deinit();
+
+	if (debug)
+		success("server: finished\n");
+}
+
+static void start(const char *prio, int ign)
+{
+	int fd[2];
+	int ret;
+
+	ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
+	if (ret < 0) {
+		perror("socketpair");
+		exit(1);
+	}
+
+	child = fork();
+	if (child < 0) {
+		perror("fork");
+		fail("fork");
+		exit(1);
+	}
+
+	if (child) {
+		/* parent */
+		close(fd[1]);
+		server(fd[0], prio, ign);
+		kill(child, SIGTERM);
+	} else {
+		close(fd[0]);
+		client(fd[1], prio, ign);
+		exit(0);
+	}
+}
+
+#define AES_CBC "NONE:+VERS-TLS1.0:-CIPHER-ALL:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL"
+#define AES_CBC_SHA256 "NONE:+VERS-TLS1.2:-CIPHER-ALL:+RSA:+AES-128-CBC:+AES-256-CBC:+SHA256:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL"
+#define AES_GCM "NONE:+VERS-TLS1.2:-CIPHER-ALL:+RSA:+AES-128-GCM:+MAC-ALL:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL"
+
+#define ARCFOUR_SHA1 "NONE:+VERS-TLS1.0:-CIPHER-ALL:+ARCFOUR-128:+SHA1:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL"
+#define ARCFOUR_MD5 "NONE:+VERS-TLS1.0:-CIPHER-ALL:+ARCFOUR-128:+MD5:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL:+RSA"
+
+#define NULL_SHA1 "NONE:+VERS-TLS1.0:-CIPHER-ALL:+NULL:+SHA1:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+RSA:+CURVE-ALL"
+
+#define ARCFOUR_SHA1_ZLIB "NONE:+VERS-TLS1.0:-CIPHER-ALL:+ARCFOUR-128:+SHA1:+SIGN-ALL:+COMP-DEFLATE:+ANON-ECDH:+CURVE-ALL"
+
+#define AES_GCM_ZLIB "NONE:+VERS-TLS1.2:-CIPHER-ALL:+AES-128-GCM:+AEAD:+SIGN-ALL:+COMP-DEFLATE:+RSA:+CURVE-ALL"
+
+#define NO_ETM ":%NO_ETM"
+
+static void ch_handler(int sig)
+{
+	int status;
+	wait(&status);
+	if (WEXITSTATUS(status) != 0 ||
+	    (WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV)) {
+		if (WIFSIGNALED(status))
+			fail("Child died with sigsegv\n");
+		else
+			fail("Child died with status %d\n",
+			     WEXITSTATUS(status));
+		terminate();
+	}
+	return;
+}
+
+void doit(void)
+{
+	signal(SIGCHLD, ch_handler);
+
+	start(AES_CBC, 1);
+	start(AES_CBC_SHA256, 1);
+	start(AES_GCM, 0);
+
+#ifndef ENABLE_FIPS140
+	start(NULL_SHA1, 0);
+
+	start(ARCFOUR_SHA1, 0);
+	start(ARCFOUR_MD5, 0);
+
+# ifdef HAVE_LIBZ
+	start(ARCFOUR_SHA1_ZLIB, 0);
+# endif
+#endif
+
+#ifdef HAVE_LIBZ
+	start(AES_GCM_ZLIB, 0);
+#endif
+
+	start(AES_CBC NO_ETM, 1);
+	start(AES_CBC_SHA256 NO_ETM, 1);
+	start(AES_GCM NO_ETM, 0);
+
+#ifndef ENABLE_FIPS140
+	start(NULL_SHA1 NO_ETM, 0);
+
+	start(ARCFOUR_SHA1 NO_ETM, 0);
+	start(ARCFOUR_MD5 NO_ETM, 0);
+
+# ifdef HAVE_LIBZ
+	start(ARCFOUR_SHA1_ZLIB NO_ETM, 0);
+# endif
+#endif
+
+#ifdef HAVE_LIBZ
+	start(AES_GCM_ZLIB NO_ETM, 0);
+#endif
+}
+
+#endif				/* _WIN32 */