/*
- * Tests the Certificate Transparency public and internal APIs.
+ * Tests the Certificate Transparency public API.
*
- * Author: Rob Percival (robpercival@google.com)
- * Date: 2016-01-26
+ * Author: Rob Percival (robpercival@google.com)
*
* ====================================================================
* Copyright (c) 2016 The OpenSSL Project. All rights reserved.
#include <stdlib.h>
#include <string.h>
-#include "crypto/include/internal/ct_int.h"
-#include "openssl/err.h"
-#include "openssl/safestack.h"
-#include "openssl/ssl.h"
-#include "openssl/x509.h"
-#include "openssl/x509v3.h"
+#include <openssl/ct.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
#include "testutil.h"
-#if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_UNIT_TEST)
+#ifndef OPENSSL_NO_CT
/* Used when declaring buffers to read text files into */
#define CT_TEST_MAX_FILE_SIZE 8096
+char *certs_dir = NULL;
+char *ct_dir = NULL;
+
typedef struct ct_test_fixture {
const char *test_case_name;
+ /* The CT log store to use during tests */
+ CTLOG_STORE* ctlog_store;
/* Set the following to test handling of SCTs in X509 certificates */
- const char *certificate_file_path;
- size_t expected_sct_count;
+ const char *certs_dir;
+ char *certificate_file;
+ char *issuer_file;
+ int expected_sct_count;
/* Set the following to test handling of SCTs in TLS format */
const uint8_t *tls_sct;
size_t tls_sct_len;
- const SCT *sct;
+ SCT *sct;
/*
* A file to load the expected SCT text from.
* This text will be compared to the actual text output during the test.
* A maximum of |CT_TEST_MAX_FILE_SIZE| bytes will be read of this file.
*/
- const char *sct_text_file_path;
+ const char *sct_dir;
+ const char *sct_text_file;
+ /* Whether to test the validity of the SCT(s) */
+ int test_validity;
} CT_TEST_FIXTURE;
{
CT_TEST_FIXTURE fixture;
int setup_ok = 1;
+ CTLOG_STORE *ctlog_store = CTLOG_STORE_new();
+
+ if (ctlog_store == NULL) {
+ setup_ok = 0;
+ fprintf(stderr, "Failed to create a new CT log store\n");
+ goto end;
+ }
+
+ if (CTLOG_STORE_load_default_file(ctlog_store) != 1) {
+ setup_ok = 0;
+ fprintf(stderr, "Failed to load CT log list\n");
+ goto end;
+ }
memset(&fixture, 0, sizeof(fixture));
fixture.test_case_name = test_case_name;
+ fixture.ctlog_store = ctlog_store;
+end:
if (!setup_ok) {
exit(EXIT_FAILURE);
}
static void tear_down(CT_TEST_FIXTURE fixture)
{
+ CTLOG_STORE_free(fixture.ctlog_store);
+ SCT_free(fixture.sct);
ERR_print_errors_fp(stderr);
}
-static X509 *load_pem_cert(const char *file)
+static char *mk_file_path(const char *dir, const char *file)
+{
+ char *full_file = NULL;
+ size_t full_file_l = 0;
+ const char *sep = "";
+#ifndef OPENSSL_SYS_VMS
+ sep = "/";
+#endif
+
+ full_file_l = strlen(dir) + strlen(sep) + strlen(file) + 1;
+ full_file = OPENSSL_zalloc(full_file_l);
+ if (full_file != NULL) {
+ OPENSSL_strlcpy(full_file, dir, full_file_l);
+ OPENSSL_strlcat(full_file, sep, full_file_l);
+ OPENSSL_strlcat(full_file, file, full_file_l);
+ }
+
+ return full_file;
+}
+
+static X509 *load_pem_cert(const char *dir, const char *file)
{
- BIO *cert_io = BIO_new_file(file, "r");
X509 *cert = NULL;
+ char *file_path = mk_file_path(dir, file);
- if (cert_io == NULL) goto end;
+ if (file_path != NULL) {
+ BIO *cert_io = BIO_new_file(file_path, "r");
+ OPENSSL_free(file_path);
- cert = PEM_read_bio_X509(cert_io, NULL, NULL, NULL);
+ if (cert_io != NULL)
+ cert = PEM_read_bio_X509(cert_io, NULL, NULL, NULL);
-end:
- BIO_free(cert_io);
+ BIO_free(cert_io);
+ }
return cert;
}
-static int read_text_file(const char *path, char *buffer, int buffer_length)
+static int read_text_file(const char *dir, const char *file,
+ char *buffer, int buffer_length)
{
- BIO *file = BIO_new_file(path, "r");
int result = -1;
+ char *file_path = mk_file_path(dir, file);
- if (file != NULL) {
- result = BIO_read(file, buffer, buffer_length);
- BIO_free(file);
+ if (file_path != NULL) {
+ BIO *file_io = BIO_new_file(file_path, "r");
+ OPENSSL_free(file_path);
+
+ if (file_io != NULL) {
+ result = BIO_read(file_io, buffer, buffer_length);
+ BIO_free(file_io);
+ }
}
return result;
static int execute_cert_test(CT_TEST_FIXTURE fixture)
{
- int result = 0;
- X509 *cert = NULL;
+ int test_failed = 0;
+ X509 *cert = NULL, *issuer = NULL;
+ STACK_OF(SCT) *scts = NULL;
SCT *sct = NULL;
char expected_sct_text[CT_TEST_MAX_FILE_SIZE];
int sct_text_len = 0;
+ unsigned char *tls_sct = NULL;
+ size_t tls_sct_len = 0;
+ CT_POLICY_EVAL_CTX *ct_policy_ctx = CT_POLICY_EVAL_CTX_new();
- if (fixture.sct_text_file_path != NULL) {
- sct_text_len = read_text_file(
- fixture.sct_text_file_path,
- expected_sct_text,
- CT_TEST_MAX_FILE_SIZE - 1);
+ if (fixture.sct_text_file != NULL) {
+ sct_text_len = read_text_file(fixture.sct_dir, fixture.sct_text_file,
+ expected_sct_text,
+ CT_TEST_MAX_FILE_SIZE - 1);
if (sct_text_len < 0) {
- result = 1;
+ test_failed = 1;
fprintf(stderr, "Test data file not found: %s\n",
- fixture.sct_text_file_path);
+ fixture.sct_text_file);
goto end;
}
expected_sct_text[sct_text_len] = '\0';
}
- if (fixture.certificate_file_path != NULL) {
+ CT_POLICY_EVAL_CTX_set0_log_store(ct_policy_ctx, fixture.ctlog_store);
+
+ if (fixture.certificate_file != NULL) {
int sct_extension_index;
X509_EXTENSION *sct_extension = NULL;
- cert = load_pem_cert(fixture.certificate_file_path);
+ cert = load_pem_cert(fixture.certs_dir, fixture.certificate_file);
if (cert == NULL) {
- result = 1;
+ test_failed = 1;
fprintf(stderr, "Unable to load certificate: %s\n",
- fixture.certificate_file_path);
+ fixture.certificate_file);
goto end;
}
- sct_extension_index = X509_get_ext_by_NID(cert, NID_ct_precert_scts, -1);
+ CT_POLICY_EVAL_CTX_set0_cert(ct_policy_ctx, cert);
+
+ if (fixture.issuer_file != NULL) {
+ issuer = load_pem_cert(fixture.certs_dir, fixture.issuer_file);
+
+ if (issuer == NULL) {
+ test_failed = 1;
+ fprintf(stderr, "Unable to load issuer certificate: %s\n",
+ fixture.issuer_file);
+ goto end;
+ }
+
+ CT_POLICY_EVAL_CTX_set0_issuer(ct_policy_ctx, issuer);
+ }
+
+ sct_extension_index =
+ X509_get_ext_by_NID(cert, NID_ct_precert_scts, -1);
sct_extension = X509_get_ext(cert, sct_extension_index);
if (fixture.expected_sct_count > 0) {
if (sct_extension == NULL) {
- result = 1;
+ test_failed = 1;
fprintf(stderr, "SCT extension not found in: %s\n",
- fixture.certificate_file_path);
+ fixture.certificate_file);
goto end;
}
- if (fixture.sct_text_file_path) {
- result = compare_extension_printout(sct_extension,
+ if (fixture.sct_text_file) {
+ test_failed = compare_extension_printout(sct_extension,
expected_sct_text);
- if (result != 0)
+ if (test_failed != 0)
+ goto end;
+ }
+
+ if (fixture.test_validity) {
+ int are_scts_validated = 0;
+ scts = X509V3_EXT_d2i(sct_extension);
+ if (SCT_LIST_set_source(scts, SCT_SOURCE_X509V3_EXTENSION) !=
+ sk_SCT_num(scts)) {
+ fprintf(stderr,
+ "Error setting SCT source to X509v3 extension\n");
+ test_failed = 1;
+ }
+
+ are_scts_validated = SCT_LIST_validate(scts, ct_policy_ctx);
+ if (are_scts_validated < 0) {
+ fprintf(stderr, "Error verifying SCTs\n");
+ test_failed = 1;
+ } else if (!are_scts_validated) {
+ int invalid_sct_count = 0;
+ int valid_sct_count = 0;
+ int i;
+
+ for (i = 0; i < sk_SCT_num(scts); ++i) {
+ SCT *sct_i = sk_SCT_value(scts, i);
+ switch (SCT_get_validation_status(sct_i)) {
+ case SCT_VALIDATION_STATUS_VALID:
+ ++valid_sct_count;
+ break;
+ case SCT_VALIDATION_STATUS_INVALID:
+ ++invalid_sct_count;
+ break;
+ default:
+ /* Ignore other validation statuses. */
+ break;
+ }
+ }
+
+ if (valid_sct_count != fixture.expected_sct_count) {
+ int unverified_sct_count = sk_SCT_num(scts) -
+ invalid_sct_count - valid_sct_count;
+
+ fprintf(stderr,
+ "%d SCTs failed verification\n"
+ "%d SCTs passed verification (%d expected)\n"
+ "%d SCTs were unverified\n",
+ invalid_sct_count,
+ valid_sct_count,
+ fixture.expected_sct_count,
+ unverified_sct_count);
+ }
+ test_failed = 1;
+ }
+
+ if (test_failed != 0)
goto end;
}
} else if (sct_extension != NULL) {
- result = 1;
- fprintf(stderr, "Expected no SCTs, but found SCT extension in: %s\n",
- fixture.certificate_file_path);
+ test_failed = 1;
+ fprintf(stderr,
+ "Expected no SCTs, but found SCT extension in: %s\n",
+ fixture.certificate_file);
goto end;
}
}
if (fixture.tls_sct != NULL) {
const unsigned char *p = fixture.tls_sct;
- unsigned char *tls_sct;
- size_t tls_sct_len;
if (o2i_SCT(&sct, &p, fixture.tls_sct_len) == NULL) {
- result = 1;
+ test_failed = 1;
fprintf(stderr, "Failed to decode SCT from TLS format\n");
goto end;
}
- if (fixture.sct_text_file_path) {
- result = compare_sct_printout(sct, expected_sct_text);
- if (result != 0)
+ if (fixture.sct_text_file) {
+ test_failed = compare_sct_printout(sct, expected_sct_text);
+ if (test_failed != 0)
goto end;
}
tls_sct_len = i2o_SCT(sct, &tls_sct);
if (tls_sct_len != fixture.tls_sct_len ||
memcmp(fixture.tls_sct, tls_sct, tls_sct_len) != 0) {
- result = 1;
+ test_failed = 1;
fprintf(stderr, "Failed to encode SCT into TLS format correctly\n");
goto end;
}
+
+ if (fixture.test_validity && cert != NULL) {
+ int is_sct_validated = SCT_validate(sct, ct_policy_ctx);
+ if (is_sct_validated < 0) {
+ test_failed = 1;
+ fprintf(stderr, "Error validating SCT\n");
+ goto end;
+ } else if (!is_sct_validated) {
+ test_failed = 1;
+ fprintf(stderr, "SCT failed verification\n");
+ goto end;
+ }
+ }
}
end:
X509_free(cert);
+ X509_free(issuer);
+ SCT_LIST_free(scts);
SCT_free(sct);
- return result;
+ CT_POLICY_EVAL_CTX_free(ct_policy_ctx);
+ OPENSSL_free(tls_sct);
+ return test_failed;
}
#define SETUP_CT_TEST_FIXTURE() SETUP_TEST_FIXTURE(CT_TEST_FIXTURE, set_up)
static int test_no_scts_in_certificate()
{
SETUP_CT_TEST_FIXTURE();
- fixture.certificate_file_path = "certs/leaf.pem";
+ fixture.certs_dir = certs_dir;
+ fixture.certificate_file = "leaf.pem";
+ fixture.issuer_file = "subinterCA.pem";
fixture.expected_sct_count = 0;
EXECUTE_CT_TEST();
}
static int test_one_sct_in_certificate()
{
SETUP_CT_TEST_FIXTURE();
- fixture.certificate_file_path = "certs/embeddedSCTs1.pem";
+ fixture.certs_dir = certs_dir;
+ fixture.certificate_file = "embeddedSCTs1.pem";
+ fixture.issuer_file = "embeddedSCTs1_issuer.pem";
fixture.expected_sct_count = 1;
- fixture.sct_text_file_path = "certs/embeddedSCTs1.sct";
+ fixture.sct_dir = certs_dir;
+ fixture.sct_text_file = "embeddedSCTs1.sct";
EXECUTE_CT_TEST();
}
static int test_multiple_scts_in_certificate()
{
SETUP_CT_TEST_FIXTURE();
- fixture.certificate_file_path = "certs/embeddedSCTs3.pem";
+ fixture.certs_dir = certs_dir;
+ fixture.certificate_file = "embeddedSCTs3.pem";
+ fixture.issuer_file = "embeddedSCTs3_issuer.pem";
+ fixture.expected_sct_count = 3;
+ fixture.sct_dir = certs_dir;
+ fixture.sct_text_file = "embeddedSCTs3.sct";
+ EXECUTE_CT_TEST();
+}
+
+static int test_verify_one_sct()
+{
+ SETUP_CT_TEST_FIXTURE();
+ fixture.certs_dir = certs_dir;
+ fixture.certificate_file = "embeddedSCTs1.pem";
+ fixture.issuer_file = "embeddedSCTs1_issuer.pem";
+ fixture.expected_sct_count = 1;
+ fixture.test_validity = 1;
+ EXECUTE_CT_TEST();
+}
+
+static int test_verify_multiple_scts()
+{
+ SETUP_CT_TEST_FIXTURE();
+ fixture.certs_dir = certs_dir;
+ fixture.certificate_file = "embeddedSCTs3.pem";
+ fixture.issuer_file = "embeddedSCTs3_issuer.pem";
fixture.expected_sct_count = 3;
- fixture.sct_text_file_path = "certs/embeddedSCTs3.sct";
+ fixture.test_validity = 1;
EXECUTE_CT_TEST();
}
"\x6A\x68\x06\x53\x98\x7D\xCF\x41\x02\x7D\xFE\xFF\xA1\x05\x51\x9D\x89"
"\xED\xBF\x08"; /* signature */
fixture.tls_sct_len = 118;
- fixture.sct_text_file_path = "ct/tls1.sct";
+ fixture.sct_dir = ct_dir;
+ fixture.sct_text_file = "tls1.sct";
EXECUTE_CT_TEST();
}
SETUP_CT_TEST_FIXTURE();
SCT *sct = SCT_new();
- SCT_set_version(sct, 0);
- SCT_set1_log_id(sct, (unsigned char *)
+ if (!SCT_set_version(sct, 0)) {
+ fprintf(stderr, "Failed to set SCT version\n");
+ return 1;
+ }
+ if (!SCT_set1_log_id(sct, (unsigned char *)
"\xDF\x1C\x2E\xC1\x15\x00\x94\x52\x47\xA9\x61\x68\x32\x5D\xDC\x5C\x79"
- "\x59\xE8\xF7\xC6\xD3\x88\xFC\x00\x2E\x0B\xBD\x3F\x74\xD7\x64", 32);
+ "\x59\xE8\xF7\xC6\xD3\x88\xFC\x00\x2E\x0B\xBD\x3F\x74\xD7\x64", 32)) {
+ fprintf(stderr, "Failed to set SCT log ID\n");
+ return 1;
+ }
SCT_set_timestamp(sct, 1);
- SCT_set1_extensions(sct, (unsigned char *)"", 0);
- SCT_set_signature_nid(sct, NID_ecdsa_with_SHA256);
- SCT_set1_signature(sct, (unsigned char *)
+ if (!SCT_set1_extensions(sct, (unsigned char *)"", 0)) {
+ fprintf(stderr, "Failed to set SCT extensions\n");
+ return 1;
+ }
+ if (!SCT_set_signature_nid(sct, NID_ecdsa_with_SHA256)) {
+ fprintf(stderr, "Failed to set SCT signature NID\n");
+ return 1;
+ }
+ if (!SCT_set1_signature(sct, (unsigned char *)
"\x45\x02\x20\x48\x2F\x67\x51\xAF\x35\xDB\xA6\x54\x36\xBE"
"\x1F\xD6\x64\x0F\x3D\xBF\x9A\x41\x42\x94\x95\x92\x45\x30\x28\x8F\xA3"
"\xE5\xE2\x3E\x06\x02\x21\x00\xE4\xED\xC0\xDB\x3A\xC5\x72\xB1\xE2\xF5"
"\xE8\xAB\x6A\x68\x06\x53\x98\x7D\xCF\x41\x02\x7D\xFE\xFF\xA1\x05\x51"
- "\x9D\x89\xED\xBF\x08", 71);
+ "\x9D\x89\xED\xBF\x08", 71)) {
+ fprintf(stderr, "Failed to set SCT signature\n");
+ return 1;
+ }
fixture.sct = sct;
- fixture.sct_text_file_path = "ct/tls1.sct";
+ fixture.sct_dir = ct_dir;
+ fixture.sct_text_file = "tls1.sct";
EXECUTE_CT_TEST();
-
- SCT_free(sct);
}
int main(int argc, char *argv[])
{
int result = 0;
+ char *tmp_env = NULL;
+
+ tmp_env = getenv("CT_DIR");
+ ct_dir = OPENSSL_strdup(tmp_env != NULL ? tmp_env : "ct");
+ tmp_env = getenv("CERTS_DIR");
+ certs_dir = OPENSSL_strdup(tmp_env != NULL ? tmp_env : "certs");
ADD_TEST(test_no_scts_in_certificate);
ADD_TEST(test_one_sct_in_certificate);
ADD_TEST(test_multiple_scts_in_certificate);
+ ADD_TEST(test_verify_one_sct);
+ ADD_TEST(test_verify_multiple_scts);
ADD_TEST(test_decode_tls_sct);
ADD_TEST(test_encode_tls_sct);
result = run_tests(argv[0]);
ERR_print_errors_fp(stderr);
+ OPENSSL_free(ct_dir);
+ OPENSSL_free(certs_dir);
+
return result;
}
projects / openssl.git / blobdiff