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selftests: net: tls: check if FIPS mode is enabled 

TLS selftests use the ChaCha20-Poly1305 and SM4 algorithms, which are not
FIPS compliant. When fips=1, this set of tests fails. Add a check and only
run these tests if not in FIPS mode.

Fixes: 4f336e88a8 ("selftests/tls: add CHACHA20-POLY1305 to tls selftests")
Fixes: e506342a03 ("selftests/tls: add SM4 GCM/CCM to tls selftests")
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Magali Lemes <magali.lemes@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Magali Lemes 2023-06-13 09:32:20 -03:00 committed by Jakub Kicinski
parent 372b304c1e
commit d113c395c6
1 changed files with 23 additions and 1 deletions
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24
tools/testing/selftests/net/tls.c
View File

@ -25,6 +25,8 @@
#define TLS_PAYLOAD_MAX_LEN 16384
#define SOL_TLS 282
static int fips_enabled;
struct tls_crypto_info_keys {
union {
struct tls12_crypto_info_aes_gcm_128 aes128;
@ -235,7 +237,7 @@ FIXTURE_VARIANT(tls)
{
uint16_t tls_version;
uint16_t cipher_type;
bool nopad;
bool nopad, fips_non_compliant;
};
FIXTURE_VARIANT_ADD(tls, 12_aes_gcm)
@ -254,24 +256,28 @@ FIXTURE_VARIANT_ADD(tls, 12_chacha)
{
.tls_version = TLS_1_2_VERSION,
.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
.fips_non_compliant = true,
};
FIXTURE_VARIANT_ADD(tls, 13_chacha)
{
.tls_version = TLS_1_3_VERSION,
.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
.fips_non_compliant = true,
};
FIXTURE_VARIANT_ADD(tls, 13_sm4_gcm)
{
.tls_version = TLS_1_3_VERSION,
.cipher_type = TLS_CIPHER_SM4_GCM,
.fips_non_compliant = true,
};
FIXTURE_VARIANT_ADD(tls, 13_sm4_ccm)
{
.tls_version = TLS_1_3_VERSION,
.cipher_type = TLS_CIPHER_SM4_CCM,
.fips_non_compliant = true,
};
FIXTURE_VARIANT_ADD(tls, 12_aes_ccm)
@ -311,6 +317,9 @@ FIXTURE_SETUP(tls)
int one = 1;
int ret;
if (fips_enabled && variant->fips_non_compliant)
SKIP(return, "Unsupported cipher in FIPS mode");
tls_crypto_info_init(variant->tls_version, variant->cipher_type,
&tls12);
@ -1865,4 +1874,17 @@ TEST(prequeue) {
close(cfd);
}
static void __attribute__((constructor)) fips_check(void) {
int res;
FILE *f;
f = fopen("/proc/sys/crypto/fips_enabled", "r");
if (f) {
res = fscanf(f, "%d", &fips_enabled);
if (res != 1)
ksft_print_msg("ERROR: Couldn't read /proc/sys/crypto/fips_enabled\n");
fclose(f);
}
}
TEST_HARNESS_MAIN