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selftests/tls: add a litmus test for the socket reuse through shutdown

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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>
This commit is contained in:
Jakub Kicinski 2019-08-01 14:36:02 -07:00 committed by David S. Miller
parent 5d92e631b8
commit cd114d2e81
1 changed files with 24 additions and 0 deletions
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24
tools/testing/selftests/net/tls.c
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@ -984,6 +984,30 @@ TEST_F(tls, shutdown_unsent)
shutdown(self->cfd, SHUT_RDWR); 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) { TEST(non_established) {
struct tls12_crypto_info_aes_gcm_256 tls12; struct tls12_crypto_info_aes_gcm_256 tls12;
struct sockaddr_in addr; struct sockaddr_in addr;