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authorSabrina Dubroca <sd@queasysnail.net>2023-08-25 23:35:07 +0200
committerJakub Kicinski <kuba@kernel.org>2023-08-27 17:17:40 -0700
commitf27ad62fe38cf7c0a561628734f348217777127b (patch)
tree52de6a957b48461ed6680b9384f268d821c17a2d
parent84e306b0834077f5bd9fb6b9e37298b45c3f5a09 (diff)
downloadcloudkernel-f27ad62fe38cf7c0a561628734f348217777127b.tar.gz
selftests: tls: add getsockopt test
The kernel accepts fetching either just the version and cipher type, or exactly the per-cipher struct. Also check that getsockopt returns what we just passed to the kernel. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Link: https://lore.kernel.org/r/81a007ca13de9a74f4af45635d06682cdb385a54.1692977948.git.sd@queasysnail.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--tools/testing/selftests/net/tls.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 95bef2be48cd7c..0da6952a047a0b 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -30,6 +30,7 @@ static int fips_enabled;
struct tls_crypto_info_keys {
union {
+ struct tls_crypto_info crypto_info;
struct tls12_crypto_info_aes_gcm_128 aes128;
struct tls12_crypto_info_chacha20_poly1305 chacha20;
struct tls12_crypto_info_sm4_gcm sm4gcm;
@@ -1496,6 +1497,40 @@ TEST_F(tls, shutdown_reuse)
EXPECT_EQ(errno, EISCONN);
}
+TEST_F(tls, getsockopt)
+{
+ struct tls_crypto_info_keys expect, get;
+ socklen_t len;
+
+ /* get only the version/cipher */
+ len = sizeof(struct tls_crypto_info);
+ memrnd(&get, sizeof(get));
+ EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), 0);
+ EXPECT_EQ(len, sizeof(struct tls_crypto_info));
+ EXPECT_EQ(get.crypto_info.version, variant->tls_version);
+ EXPECT_EQ(get.crypto_info.cipher_type, variant->cipher_type);
+
+ /* get the full crypto_info */
+ tls_crypto_info_init(variant->tls_version, variant->cipher_type, &expect);
+ len = expect.len;
+ memrnd(&get, sizeof(get));
+ EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), 0);
+ EXPECT_EQ(len, expect.len);
+ EXPECT_EQ(get.crypto_info.version, variant->tls_version);
+ EXPECT_EQ(get.crypto_info.cipher_type, variant->cipher_type);
+ EXPECT_EQ(memcmp(&get, &expect, expect.len), 0);
+
+ /* short get should fail */
+ len = sizeof(struct tls_crypto_info) - 1;
+ EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), -1);
+ EXPECT_EQ(errno, EINVAL);
+
+ /* partial get of the cipher data should fail */
+ len = expect.len - 1;
+ EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), -1);
+ EXPECT_EQ(errno, EINVAL);
+}
+
FIXTURE(tls_err)
{
int fd, cfd;