1 files changed, 357 insertions, 0 deletions
diff --git a/tests/gnutls_ktls.c b/tests/gnutls_ktls.c
new file mode 100644
index 0000000..8f9c5fa
--- /dev/null
+++ b/tests/gnutls_ktls.c
@@ -0,0 +1,357 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(_WIN32)
+
+int main(void)
+{
+	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/crypto.h>
+#include <gnutls/dtls.h>
+#include <gnutls/socket.h>
+#include <signal.h>
+#include <assert.h>
+#include <errno.h>
+
+#include "cert-common.h"
+#include "utils.h"
+
+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);
+}
+
+#define MAX_BUF 1024
+#define MSG "Hello world!"
+
+static void client(int fd, const char *prio)
+{
+	int ret;
+	char buffer[MAX_BUF + 1];
+	gnutls_certificate_credentials_t x509_cred;
+	gnutls_session_t session;
+
+	global_init();
+
+	if (debug) {
+		gnutls_global_set_log_function(client_log_func);
+		gnutls_global_set_log_level(7);
+	}
+
+	gnutls_certificate_allocate_credentials(&x509_cred);
+
+	gnutls_init(&session, GNUTLS_CLIENT);
+	gnutls_handshake_set_timeout(session, 0);
+
+	assert(gnutls_priority_set_direct(session, prio, NULL) >= 0);
+
+	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) {
+		fail("client: Handshake failed\n");
+		goto end;
+	}
+	if (debug)
+		success("client: Handshake was completed\n");
+
+	ret = gnutls_transport_is_ktls_enabled(session);
+	if (!(ret & GNUTLS_KTLS_RECV)){
+		fail("client: KTLS was not properly initialized\n");
+		goto end;
+	}
+
+	/* server send message via gnutls_record_send */
+	memset(buffer, 0, sizeof(buffer));
+	do{
+		ret = gnutls_record_recv(session, buffer, sizeof(buffer));
+	}
+	while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+	if (ret == 0) {
+			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(strncmp(buffer, MSG, ret)){
+		fail("client: Message doesn't match\n");
+		goto end;
+	}
+
+	if (debug)
+		success ("client: messages received\n");
+
+	/* server send message via gnutls_record_sendfile */
+	memset(buffer, 0, sizeof(buffer));
+	do{
+		ret = gnutls_record_recv(session, buffer, sizeof(buffer));
+	}
+	while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+	if (ret == 0) {
+			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(strncmp(buffer, MSG, ret)){
+		fail("client: Message doesn't match\n");
+		goto end;
+	}
+
+	if (debug)
+		success ("client: messages received\n");
+
+	ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
+	if (ret < 0) {
+		fail("client: error in closing session: %s\n", gnutls_strerror(ret));
+	}
+
+	ret = 0;
+ end:
+
+	close(fd);
+
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(x509_cred);
+
+	gnutls_global_deinit();
+
+	if (ret != 0)
+		exit(1);
+}
+
+pid_t child;
+static void terminate(void)
+{
+	assert(child);
+	kill(child, SIGTERM);
+	exit(1);
+}
+
+static void server(int fd, const char *prio)
+{
+	int ret;
+	gnutls_certificate_credentials_t x509_cred;
+	gnutls_session_t session;
+
+	global_init();
+
+	if (debug) {
+		gnutls_global_set_log_function(server_log_func);
+		gnutls_global_set_log_level(7);
+	}
+
+	gnutls_certificate_allocate_credentials(&x509_cred);
+	ret = gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
+					    &server_key,
+					    GNUTLS_X509_FMT_PEM);
+	if (ret < 0)
+		exit(1);
+
+	gnutls_init(&session, GNUTLS_SERVER);
+	gnutls_handshake_set_timeout(session, 0);
+
+	assert(gnutls_priority_set_direct(session, prio, NULL)>=0);
+
+	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) {
+		fail("server: Handshake has failed (%s)\n\n",
+		     gnutls_strerror(ret));
+		goto end;
+	}
+	if (debug)
+		success("server: Handshake was completed\n");
+
+	ret = gnutls_transport_is_ktls_enabled(session);
+	if (!(ret & GNUTLS_KTLS_SEND)){
+		fail("server: KTLS was not properly initialized\n");
+		goto end;
+	}
+	do {
+		ret = gnutls_record_send(session, MSG, strlen(MSG)+1);
+	} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+	if (ret < 0) {
+		fail("server: data sending has failed (%s)\n\n",
+		     gnutls_strerror(ret));
+			 goto end;
+	}
+
+	/* send file
+	 */
+	FILE *fp = tmpfile();
+	if (fp == NULL){
+		fail("temporary file for testing couldn't be created");
+		ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
+		if (ret < 0)
+			fail("server: error in closing session: %s\n", gnutls_strerror(ret));
+		goto end;
+	}
+
+	fputs(MSG, fp);
+	rewind(fp);
+
+	off_t offset = 0;
+	if (fp == NULL) {
+		fail("server: couldn't open file for testing ...send_file() function");
+		goto end;
+	}
+
+	do {
+		ret = gnutls_record_send_file(session, fileno(fp), &offset, 512);
+	} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+	if (ret < 0) {
+		fail("server: data sending has failed (%s)\n\n",
+		     gnutls_strerror(ret));
+			 goto end;
+	}
+
+	ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
+	if (ret < 0)
+		fail("server: error in closing session: %s\n", gnutls_strerror(ret));
+
+	ret = 0;
+end:
+	close(fd);
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(x509_cred);
+
+	gnutls_global_deinit();
+
+	if (ret){
+		terminate();
+	}
+
+	if (debug)
+		success("server: finished\n");
+}
+
+static void ch_handler(int sig)
+{
+	return;
+}
+
+static void run(const char *prio)
+{
+	int ret;
+	struct sockaddr_in saddr;
+	socklen_t addrlen;
+	int listener;
+	int fd;
+
+	success("running ktls test with %s\n", prio);
+
+	signal(SIGCHLD, ch_handler);
+	signal(SIGPIPE, SIG_IGN);
+
+	listener = socket(AF_INET, SOCK_STREAM, 0);
+	if (listener == -1){
+		fail("error in listener(): %s\n", strerror(errno));
+	}
+
+	memset(&saddr, 0, sizeof(saddr));
+	saddr.sin_family = AF_INET;
+	saddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+	saddr.sin_port = 0;
+
+	ret = bind(listener, (struct sockaddr*)&saddr, sizeof(saddr));
+	if (ret == -1){
+		fail("error in bind(): %s\n", strerror(errno));
+	}
+
+	addrlen = sizeof(saddr);
+	ret = getsockname(listener, (struct sockaddr*)&saddr, &addrlen);
+	if (ret == -1){
+		fail("error in getsockname(): %s\n", strerror(errno));
+	}
+
+	child = fork();
+	if (child < 0) {
+		fail("error in fork(): %s\n", strerror(errno));
+		exit(1);
+	}
+
+	if (child) {
+		int status;
+		/* parent */
+		ret = listen(listener, 1);
+		if (ret == -1) {
+			fail("error in listen(): %s\n", strerror(errno));
+		}
+
+		fd = accept(listener, NULL, NULL);
+		if (fd == -1) {
+			fail("error in accept(): %s\n", strerror(errno));
+		}
+		server(fd, prio);
+
+		wait(&status);
+		check_wait_status(status);
+	} else {
+		fd = socket(AF_INET, SOCK_STREAM, 0);
+		if (fd == -1){
+			fail("error in socket(): %s\n", strerror(errno));
+			exit(1);
+		}
+		usleep(1000000);
+		connect(fd, (struct sockaddr*)&saddr, addrlen);
+		client(fd, prio);
+		exit(0);
+	}
+}
+
+void doit(void)
+{
+	run("NORMAL:-VERS-ALL:+VERS-TLS1.2:-CIPHER-ALL:+AES-128-GCM");
+	run("NORMAL:-VERS-ALL:+VERS-TLS1.2:-CIPHER-ALL:+AES-256-GCM");
+	run("NORMAL:-VERS-ALL:+VERS-TLS1.3:-CIPHER-ALL:+AES-128-GCM");
+	run("NORMAL:-VERS-ALL:+VERS-TLS1.3:-CIPHER-ALL:+AES-256-GCM");
+}
+
+#endif				/* _WIN32 */