netdev - [PATCH net-next 03/17] selftests: tls: test some invalid inputs for setsockopt

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Date: Fri, 25 Aug 2023 23:35:08 +0200
From: Sabrina Dubroca <sd@...asysnail.net>
To: netdev@...r.kernel.org
Cc: borisp@...dia.com,
	john.fastabend@...il.com,
	kuba@...nel.org,
	Shuah Khan <shuah@...nel.org>,
	linux-kselftest@...r.kernel.org,
	Sabrina Dubroca <sd@...asysnail.net>
Subject: [PATCH net-next 03/17] selftests: tls: test some invalid inputs for setsockopt

This test will need to be updated if new ciphers are added.

Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
---
 tools/testing/selftests/net/tls.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 0da6952a047a..297d972558fb 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -241,6 +241,31 @@ TEST_F(tls_basic, base_base)
 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
 };
 
+TEST_F(tls_basic, bad_cipher)
+{
+	struct tls_crypto_info_keys tls12;
+
+	tls12.crypto_info.version = 200;
+	tls12.crypto_info.cipher_type = TLS_CIPHER_AES_GCM_128;
+	EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
+
+	tls12.crypto_info.version = TLS_1_2_VERSION;
+	tls12.crypto_info.cipher_type = 50;
+	EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
+
+	tls12.crypto_info.version = TLS_1_2_VERSION;
+	tls12.crypto_info.cipher_type = 59;
+	EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
+
+	tls12.crypto_info.version = TLS_1_2_VERSION;
+	tls12.crypto_info.cipher_type = 10;
+	EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
+
+	tls12.crypto_info.version = TLS_1_2_VERSION;
+	tls12.crypto_info.cipher_type = 70;
+	EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
+}
+
 FIXTURE(tls)
 {
 	int fd, cfd;
-- 
2.40.1