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selftests: tls: test splicing decrypted records 

Add tests for half-received and peeked records.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2021-11-24 15:25:55 -08:00
parent e062fe99cc
commit 274af0f9e2
1 changed files with 49 additions and 0 deletions
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49
tools/testing/selftests/net/tls.c
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@ -679,6 +679,55 @@ TEST_F(tls, splice_dec_cmsg_to_pipe)
EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
}
TEST_F(tls, recv_and_splice)
{
int send_len = TLS_PAYLOAD_MAX_LEN;
char mem_send[TLS_PAYLOAD_MAX_LEN];
char mem_recv[TLS_PAYLOAD_MAX_LEN];
int half = send_len / 2;
int p[2];
ASSERT_GE(pipe(p), 0);
EXPECT_EQ(send(self->fd, mem_send, send_len, 0), send_len);
/* Recv hald of the record, splice the other half */
EXPECT_EQ(recv(self->cfd, mem_recv, half, MSG_WAITALL), half);
EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, half, SPLICE_F_NONBLOCK),
half);
EXPECT_EQ(read(p[0], &mem_recv[half], half), half);
EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
}
TEST_F(tls, peek_and_splice)
{
int send_len = TLS_PAYLOAD_MAX_LEN;
char mem_send[TLS_PAYLOAD_MAX_LEN];
char mem_recv[TLS_PAYLOAD_MAX_LEN];
int chunk = TLS_PAYLOAD_MAX_LEN / 4;
int n, i, p[2];
memrnd(mem_send, sizeof(mem_send));
ASSERT_GE(pipe(p), 0);
for (i = 0; i < 4; i++)
EXPECT_EQ(send(self->fd, &mem_send[chunk * i], chunk, 0),
chunk);
EXPECT_EQ(recv(self->cfd, mem_recv, chunk * 5 / 2,
MSG_WAITALL | MSG_PEEK),
chunk * 5 / 2);
EXPECT_EQ(memcmp(mem_send, mem_recv, chunk * 5 / 2), 0);
n = 0;
while (n < send_len) {
i = splice(self->cfd, NULL, p[1], NULL, send_len - n, 0);
EXPECT_GT(i, 0);
n += i;
}
EXPECT_EQ(n, send_len);
EXPECT_EQ(read(p[0], mem_recv, send_len), send_len);
EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
}
TEST_F(tls, recvmsg_single)
{
char const *test_str = "test_recvmsg_single";