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selftests: tls: test for correct proto_ops

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Previous patch fixes overriding callbacks incorrectly. Triggering
the crash in sendpage_locked would be more spectacular but it's
hard to get to, so take the easier path of proving this is broken
and call getname. We're currently getting IPv4 socket info on an
IPv6 socket.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2021-11-24 15:25:57 -08:00
parent f3911f73f5
commit f884a34262
1 changed files with 55 additions and 0 deletions
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55
tools/testing/selftests/net/tls.c
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@ -1617,4 +1617,59 @@ TEST(keysizes) {
close(cfd);
}
TEST(tls_v6ops) {
struct tls_crypto_info_keys tls12;
struct sockaddr_in6 addr, addr2;
int sfd, ret, fd;
socklen_t len, len2;
tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_128, &tls12);
addr.sin6_family = AF_INET6;
addr.sin6_addr = in6addr_any;
addr.sin6_port = 0;
fd = socket(AF_INET6, SOCK_STREAM, 0);
sfd = socket(AF_INET6, SOCK_STREAM, 0);
ret = bind(sfd, &addr, sizeof(addr));
ASSERT_EQ(ret, 0);
ret = listen(sfd, 10);
ASSERT_EQ(ret, 0);
len = sizeof(addr);
ret = getsockname(sfd, &addr, &len);
ASSERT_EQ(ret, 0);
ret = connect(fd, &addr, sizeof(addr));
ASSERT_EQ(ret, 0);
len = sizeof(addr);
ret = getsockname(fd, &addr, &len);
ASSERT_EQ(ret, 0);
ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
if (ret) {
ASSERT_EQ(errno, ENOENT);
SKIP(return, "no TLS support");
}
ASSERT_EQ(ret, 0);
ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12, tls12.len);
ASSERT_EQ(ret, 0);
ret = setsockopt(fd, SOL_TLS, TLS_RX, &tls12, tls12.len);
ASSERT_EQ(ret, 0);
len2 = sizeof(addr2);
ret = getsockname(fd, &addr2, &len2);
ASSERT_EQ(ret, 0);
EXPECT_EQ(len2, len);
EXPECT_EQ(memcmp(&addr, &addr2, len), 0);
close(fd);
close(sfd);
}
TEST_HARNESS_MAIN