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selftests: tls: test splicing cmsgs 

Make sure we correctly reject splicing non-data records.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2021-11-24 15:25:53 -08:00
parent 520493f66f
commit d87d67fd61
1 changed files with 40 additions and 0 deletions
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40
tools/testing/selftests/net/tls.c
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@ -639,6 +639,46 @@ TEST_F(tls, splice_to_pipe)
EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
}
TEST_F(tls, splice_cmsg_to_pipe)
{
char *test_str = "test_read";
char record_type = 100;
int send_len = 10;
char buf[10];
int p[2];
ASSERT_GE(pipe(p), 0);
EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1);
EXPECT_EQ(errno, EINVAL);
EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
EXPECT_EQ(errno, EIO);
EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
buf, sizeof(buf), MSG_WAITALL),
send_len);
EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
}
TEST_F(tls, splice_dec_cmsg_to_pipe)
{
char *test_str = "test_read";
char record_type = 100;
int send_len = 10;
char buf[10];
int p[2];
ASSERT_GE(pipe(p), 0);
EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
EXPECT_EQ(errno, EIO);
EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1);
EXPECT_EQ(errno, EINVAL);
EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
buf, sizeof(buf), MSG_WAITALL),
send_len);
EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
}
TEST_F(tls, recvmsg_single)
{
char const *test_str = "test_recvmsg_single";