From cd114d2e81f632104b3f1e804104060b97337410 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Thu, 1 Aug 2019 14:36:02 -0700
Subject: [PATCH] selftests/tls: add a litmus test for the socket reuse through
shutdown
Make sure that shutdown never works, and at the same time document how
I tested to came to the conclusion that currently reuse is not possible.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
tools/testing/selftests/net/tls.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index d995e6503b1ac..4c285b6e1db8c 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -984,6 +984,30 @@ TEST_F(tls, shutdown_unsent)
shutdown(self->cfd, SHUT_RDWR);
}
+TEST_F(tls, shutdown_reuse)
+{
+ struct sockaddr_in addr;
+ int ret;
+
+ shutdown(self->fd, SHUT_RDWR);
+ shutdown(self->cfd, SHUT_RDWR);
+ close(self->cfd);
+
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl(INADDR_ANY);
+ addr.sin_port = 0;
+
+ ret = bind(self->fd, &addr, sizeof(addr));
+ EXPECT_EQ(ret, 0);
+ ret = listen(self->fd, 10);
+ EXPECT_EQ(ret, -1);
+ EXPECT_EQ(errno, EINVAL);
+
+ ret = connect(self->fd, &addr, sizeof(addr));
+ EXPECT_EQ(ret, -1);
+ EXPECT_EQ(errno, EISCONN);
+}
+
TEST(non_established) {
struct tls12_crypto_info_aes_gcm_256 tls12;
struct sockaddr_in addr;
--
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