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selftest/tls: Add test to verify received 'type' of non-data record 

Test case 'control_msg' has been updated to peek non-data record and
then verify the type of record received. Subsequently, the same record
is retrieved without MSG_PEEK flag in recvmsg().

Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vakul Garg 2019-02-20 08:43:00 +00:00 committed by David S. Miller
parent 375ca548f7
commit 203ef5f1ff
1 changed files with 14 additions and 0 deletions
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14
tools/testing/selftests/net/tls.c
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@ -753,6 +753,20 @@ TEST_F(tls, control_msg)
EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
vec.iov_base = buf;
EXPECT_EQ(recvmsg(self->cfd, &msg, MSG_WAITALL | MSG_PEEK), send_len);
cmsg = CMSG_FIRSTHDR(&msg);
EXPECT_NE(cmsg, NULL);
EXPECT_EQ(cmsg->cmsg_level, SOL_TLS);
EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);
record_type = *((unsigned char *)CMSG_DATA(cmsg));
EXPECT_EQ(record_type, 100);
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
/* Recv the message again without MSG_PEEK */
record_type = 0;
memset(buf, 0, sizeof(buf));
EXPECT_EQ(recvmsg(self->cfd, &msg, MSG_WAITALL), send_len);
cmsg = CMSG_FIRSTHDR(&msg);
EXPECT_NE(cmsg, NULL);