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selftests: tls: add a test for queuing data before setting the ULP

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Other tests set up the connection fully on both ends before
communicating any data. Add a test which will queue up TLS
records to TCP before the TLS ULP is installed.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2023-03-24 11:17:57 -07:00 committed by David S. Miller
parent dd3a7d58dc
commit a504d246d2
1 changed files with 45 additions and 0 deletions
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45
tools/testing/selftests/net/tls.c
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@ -1820,4 +1820,49 @@ TEST(tls_v6ops) {
close(sfd);
}
TEST(prequeue) {
struct tls_crypto_info_keys tls12;
char buf[20000], buf2[20000];
struct sockaddr_in addr;
int sfd, cfd, ret, fd;
socklen_t len;
len = sizeof(addr);
memrnd(buf, sizeof(buf));
tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_256, &tls12);
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = 0;
fd = socket(AF_INET, SOCK_STREAM, 0);
sfd = socket(AF_INET, SOCK_STREAM, 0);
ASSERT_EQ(bind(sfd, &addr, sizeof(addr)), 0);
ASSERT_EQ(listen(sfd, 10), 0);
ASSERT_EQ(getsockname(sfd, &addr, &len), 0);
ASSERT_EQ(connect(fd, &addr, sizeof(addr)), 0);
ASSERT_GE(cfd = accept(sfd, &addr, &len), 0);
close(sfd);
ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
if (ret) {
ASSERT_EQ(errno, ENOENT);
SKIP(return, "no TLS support");
}
ASSERT_EQ(setsockopt(fd, SOL_TLS, TLS_TX, &tls12, tls12.len), 0);
EXPECT_EQ(send(fd, buf, sizeof(buf), MSG_DONTWAIT), sizeof(buf));
ASSERT_EQ(setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")), 0);
ASSERT_EQ(setsockopt(cfd, SOL_TLS, TLS_RX, &tls12, tls12.len), 0);
EXPECT_EQ(recv(cfd, buf2, sizeof(buf2), MSG_WAITALL), sizeof(buf2));
EXPECT_EQ(memcmp(buf, buf2, sizeof(buf)), 0);
close(fd);
close(cfd);
}
TEST_HARNESS_MAIN