1 files changed, 303 insertions, 0 deletions
diff --git a/tests/anonself.c b/tests/anonself.c
new file mode 100644
index 0000000..9d4926f
--- /dev/null
+++ b/tests/anonself.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright (C) 2004-2012 Free Software Foundation, Inc.
+ * Copyright (C) 2013 Adam Sampson <ats@offog.org>
+ * Copyright (C) 2018 Red Hat, Inc.
+ *
+ * Author: Simon Josefsson, 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>
+
+/* This program tests anonymous authentication as well as the gnutls_record_recv_packet.
+ */
+
+#if defined(_WIN32)
+
+int main(int argc, char **argv)
+{
+	exit(77);
+}
+
+#else
+
+#include <string.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#if !defined(_WIN32)
+#include <sys/wait.h>
+#endif
+#include <unistd.h>
+#include <assert.h>
+#include <gnutls/gnutls.h>
+
+#include "utils.h"
+
+static void tls_log_func(int level, const char *str)
+{
+	fprintf(stderr, "|<%d>| %s", level, str);
+}
+
+#define MSG "Hello TLS"
+#define MAX_BUF 1024
+
+static void client(int sd, const char *prio)
+{
+	int ret, ii;
+	gnutls_session_t session;
+	char buffer[MAX_BUF + 1];
+	gnutls_anon_client_credentials_t anoncred;
+	/* Need to enable anonymous KX specifically. */
+
+	global_init();
+
+	gnutls_global_set_log_function(tls_log_func);
+	if (debug)
+		gnutls_global_set_log_level(4711);
+
+	gnutls_anon_allocate_client_credentials(&anoncred);
+
+	/* Initialize TLS session
+	 */
+	gnutls_init(&session, GNUTLS_CLIENT);
+
+	/* Use default priorities */
+	assert(gnutls_priority_set_direct(session,
+					  prio,
+					  NULL) >= 0);
+
+	/* put the anonymous credentials to the current session
+	 */
+	gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
+
+	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");
+	}
+
+	if (debug)
+		print_dh_params_info(session);
+
+	if (debug)
+		success("client: TLS version is: %s\n",
+			gnutls_protocol_get_name
+			(gnutls_protocol_get_version(session)));
+
+	ret = gnutls_record_send(session, MSG, sizeof(MSG)-1);
+	if (ret != sizeof(MSG)-1) {
+		fail("return value of gnutls_record_send() is bogus\n");
+		exit(1);
+	}
+
+	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 (ret != sizeof(MSG)-1 || memcmp(buffer, MSG, ret) != 0) {
+		fail("client: received data of different size! (expected: %d, have: %d)\n", 
+			(int)strlen(MSG), 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_anon_free_client_credentials(anoncred);
+
+	gnutls_global_deinit();
+}
+
+#define DH_BITS 1024
+
+static void server(int sd, const char *prio)
+{
+	const gnutls_datum_t p3 = { (void *) pkcs3, strlen(pkcs3) };
+	gnutls_anon_server_credentials_t anoncred;
+	gnutls_dh_params_t dh_params;
+	int ret;
+	gnutls_session_t session;
+	gnutls_packet_t packet;
+
+	/* 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);
+
+	gnutls_anon_allocate_server_credentials(&anoncred);
+
+	if (debug)
+		success("Launched, generating DH parameters...\n");
+
+	assert(gnutls_dh_params_init(&dh_params)>=0);
+	assert(gnutls_dh_params_import_pkcs3(dh_params, &p3,
+					     GNUTLS_X509_FMT_PEM)>=0);
+
+	gnutls_anon_set_server_dh_params(anoncred, dh_params);
+
+	assert(gnutls_init(&session, GNUTLS_SERVER)>=0);
+
+	assert(gnutls_priority_set_direct(session, prio, NULL) >= 0);
+
+	gnutls_handshake_set_timeout(session, get_timeout());
+	gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
+
+	gnutls_dh_set_prime_bits(session, DH_BITS);
+
+	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");
+
+	if (debug)
+		success("server: TLS version is: %s\n",
+			gnutls_protocol_get_name
+			(gnutls_protocol_get_version(session)));
+
+	if (debug)
+		print_dh_params_info(session);
+
+	for (;;) {
+		ret = gnutls_record_recv_packet(session, &packet);
+
+		if (ret == 0) {
+			gnutls_packet_deinit(packet);
+			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) {
+			gnutls_datum_t pdata;
+
+			gnutls_packet_get(packet, &pdata, NULL);
+			/* echo data back to the client
+			 */
+			gnutls_record_send(session, pdata.data,
+					   pdata.size);
+			gnutls_packet_deinit(packet);
+		}
+	}
+	/* do not wait for the peer to close the connection.
+	 */
+	gnutls_bye(session, GNUTLS_SHUT_WR);
+
+	close(sd);
+	gnutls_deinit(session);
+
+	gnutls_anon_free_server_credentials(anoncred);
+
+	gnutls_dh_params_deinit(dh_params);
+
+	gnutls_global_deinit();
+
+	if (debug)
+		success("server: finished\n");
+}
+
+static
+void start(const char *name, const char *prio)
+{
+	pid_t child;
+	int sockets[2], err;
+
+	success("testing: %s\n", name);
+	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], prio);
+		wait(&status);
+		check_wait_status(status);
+	} else {
+		client(sockets[1], prio);
+		exit(0);
+	}
+}
+
+void doit(void)
+{
+	start("tls1.2 anon-dh", "NORMAL:-VERS-ALL:+VERS-TLS1.2:-KX-ALL:+ANON-DH");
+	start("tls1.2 anon-ecdh", "NORMAL:-VERS-ALL:+VERS-TLS1.2:-KX-ALL:+ANON-ECDH");
+	start("tls1.3 anon-dh", "NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2:-KX-ALL:+ANON-DH");
+	start("tls1.3 anon-ecdh", "NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2:-KX-ALL:+ANON-ECDH");
+	start("default anon-dh", "NORMAL:-KX-ALL:+ANON-DH");
+	start("default anon-ecdh", "NORMAL:-KX-ALL:+ANON-ECDH");
+}
+
+#endif				/* _WIN32 */