selftests/tls: add a test for ULP but no keys

Make sure we test the TLS_BASE/TLS_BASE case both with data
and the tear down/clean up path.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

1 files changed, 74 insertions, 0 deletions

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 090fff9dbc48..194826fee4f7 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -25,6 +25,80 @@
 #define TLS_PAYLOAD_MAX_LEN 16384
 #define SOL_TLS 282
 
+#ifndef ENOTSUPP
+#define ENOTSUPP 524
+#endif
+
+FIXTURE(tls_basic)
+{
+        int fd, cfd;
+        bool notls;
+};
+
+FIXTURE_SETUP(tls_basic)
+{
+        struct sockaddr_in addr;
+        socklen_t len;
+        int sfd, ret;
+
+        self->notls = false;
+        len = sizeof(addr);
+
+        addr.sin_family = AF_INET;
+        addr.sin_addr.s_addr = htonl(INADDR_ANY);
+        addr.sin_port = 0;
+
+        self->fd = socket(AF_INET, SOCK_STREAM, 0);
+        sfd = socket(AF_INET, SOCK_STREAM, 0);
+
+        ret = bind(sfd, &addr, sizeof(addr));
+        ASSERT_EQ(ret, 0);
+        ret = listen(sfd, 10);
+        ASSERT_EQ(ret, 0);
+
+        ret = getsockname(sfd, &addr, &len);
+        ASSERT_EQ(ret, 0);
+
+        ret = connect(self->fd, &addr, sizeof(addr));
+        ASSERT_EQ(ret, 0);
+
+        self->cfd = accept(sfd, &addr, &len);
+        ASSERT_GE(self->cfd, 0);
+
+        close(sfd);
+
+        ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
+        if (ret != 0) {
+                ASSERT_EQ(errno, ENOTSUPP);
+                self->notls = true;
+                printf("Failure setting TCP_ULP, testing without tls\n");
+                return;
+        }
+
+        ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
+        ASSERT_EQ(ret, 0);
+}
+
+FIXTURE_TEARDOWN(tls_basic)
+{
+        close(self->fd);
+        close(self->cfd);
+}
+
+/* Send some data through with ULP but no keys */
+TEST_F(tls_basic, base_base)
+{
+        char const *test_str = "test_read";
+        int send_len = 10;
+        char buf[10];
+
+        ASSERT_EQ(strlen(test_str) + 1, send_len);
+
+        EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+        EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
+        EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
+};
+
 FIXTURE(tls)
 {
         int fd, cfd;