selftests/tls: add shutdown tests

Add test for killing the connection via shutdown.

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, 27 insertions, 0 deletions

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 94a86ca882de..630c5b884d43 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -952,6 +952,33 @@ TEST_F(tls, control_msg)
         EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
 }
 
+TEST_F(tls, shutdown)
+{
+        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);
+
+        shutdown(self->fd, SHUT_RDWR);
+        shutdown(self->cfd, SHUT_RDWR);
+}
+
+TEST_F(tls, shutdown_unsent)
+{
+        char const *test_str = "test_read";
+        int send_len = 10;
+
+        EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
+
+        shutdown(self->fd, SHUT_RDWR);
+        shutdown(self->cfd, SHUT_RDWR);
+}
+
 TEST(non_established) {
         struct tls12_crypto_info_aes_gcm_256 tls12;
         struct sockaddr_in addr;