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Document a known issue with testing of mbedtls_x509_crt_parse_path

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The parse_path tests are known to fail when compiled for a 32-btt architecture
and run via qemu-user on Linux on a 64-bit host. This is due to a known
bug in Qemu: https://gitlab.com/qemu-project/qemu/-/issues/263

Document this, and add test cases to parse the files involved to confirm
that the problem is only with parse_path.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2023-04-13 18:14:45 +02:00
parent 1e5fec6a79
commit 55ad28a9e7
2 changed files with 20 additions and 6 deletions
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22
tests/suites/test_suite_x509parse.data
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@ -2545,15 +2545,29 @@ X509 CRL ASN1 (extension not critical explicit, crl-idp.pem byte 129)
depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA256:!MBEDTLS_X509_REMOVE_INFO
x509parse_crl:"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":"CRL version \: 2\nissuer name \: C=NL, O=PolarSSL, CN=PolarSSL Test CA\nthis update \: 2018-03-14 07\:31\:48\nnext update \: 2028-03-14 07\:31\:48\nRevoked certificates\:\nsigned using \: RSA with SHA-256\n":0
X509 CRT parse path #2 (one cert)
X509 CRT parse file dir3/Readme
mbedtls_x509_crt_parse_file:"data_files/dir3/Readme":MBEDTLS_ERR_X509_INVALID_FORMAT:0
X509 CRT parse file dir3/test-ca.crt
depends_on:MBEDTLS_MD_CAN_SHA1:MBEDTLS_RSA_C
mbedtls_x509_crt_parse_file:"data_files/dir3/test-ca.crt":0:1
X509 CRT parse file dir3/test-ca2.crt
depends_on:MBEDTLS_MD_CAN_SHA256:MBEDTLS_PK_CAN_ECDSA_SOME:MBEDTLS_ECP_DP_SECP384R1_ENABLED
mbedtls_x509_crt_parse_file:"data_files/dir3/test-ca2.crt":0:1
# The parse_path tests are known to fail when compiled for a 32-btt architecture
# and run via qemu-user on Linux on a 64-bit host. This is due to a known
# bug in Qemu: https://gitlab.com/qemu-project/qemu/-/issues/263
X509 CRT parse path #1 (one cert)
depends_on:MBEDTLS_MD_CAN_SHA1:MBEDTLS_RSA_C
mbedtls_x509_crt_parse_path:"data_files/dir1":0:1
X509 CRT parse path #3 (two certs)
depends_on:MBEDTLS_MD_CAN_SHA1:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA256:MBEDTLS_PK_CAN_ECDSA_SOME:MBEDTLS_ECP_DP_SECP384R1_ENABLED
X509 CRT parse path #2 (two certs)
depends_ondepends_on:MBEDTLS_MD_CAN_SHA1:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA256:MBEDTLS_PK_CAN_ECDSA_SOME:MBEDTLS_ECP_DP_SECP384R1_ENABLED
mbedtls_x509_crt_parse_path:"data_files/dir2":0:2
X509 CRT parse path #4 (two certs, one non-cert)
X509 CRT parse path #3 (two certs, one non-cert)
depends_on:MBEDTLS_MD_CAN_SHA1:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA256:MBEDTLS_PK_CAN_ECDSA_SOME:MBEDTLS_ECP_DP_SECP384R1_ENABLED
mbedtls_x509_crt_parse_path:"data_files/dir3":1:2

4
tests/suites/test_suite_x509parse.function
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@ -1314,7 +1314,7 @@ void mbedtls_x509_crt_parse_path(char *crt_path, int ret, int nb_crt)
mbedtls_x509_crt_init(&chain);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_x509_crt_parse_path(&chain, crt_path) == ret);
TEST_EQUAL(mbedtls_x509_crt_parse_path(&chain, crt_path), ret);
/* Check how many certs we got */
for (i = 0, cur = &chain; cur != NULL; cur = cur->next) {
@ -1323,7 +1323,7 @@ void mbedtls_x509_crt_parse_path(char *crt_path, int ret, int nb_crt)
}
}
TEST_ASSERT(i == nb_crt);
TEST_EQUAL(i, nb_crt);
exit:
mbedtls_x509_crt_free(&chain);