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-rw-r--r--openssl-1.1.0h/test/ct_test.c607
1 files changed, 607 insertions, 0 deletions
diff --git a/openssl-1.1.0h/test/ct_test.c b/openssl-1.1.0h/test/ct_test.c
new file mode 100644
index 0000000..ea90923
--- /dev/null
+++ b/openssl-1.1.0h/test/ct_test.c
@@ -0,0 +1,607 @@
+/*
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <ctype.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <openssl/ct.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include "testutil.h"
+
+#ifndef OPENSSL_NO_CT
+
+/* Used when declaring buffers to read text files into */
+#define CT_TEST_MAX_FILE_SIZE 8096
+
+static char *certs_dir = NULL;
+static char *ct_dir = NULL;
+
+typedef struct ct_test_fixture {
+ const char *test_case_name;
+ /* The current time in milliseconds */
+ uint64_t epoch_time_in_ms;
+ /* 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 *certs_dir;
+ char *certificate_file;
+ char *issuer_file;
+ /* Expected number of SCTs */
+ int expected_sct_count;
+ /* Expected number of valid SCTS */
+ int expected_valid_sct_count;
+ /* Set the following to test handling of SCTs in TLS format */
+ const unsigned char *tls_sct_list;
+ size_t tls_sct_list_len;
+ STACK_OF(SCT) *sct_list;
+ /*
+ * 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_dir;
+ const char *sct_text_file;
+ /* Whether to test the validity of the SCT(s) */
+ int test_validity;
+} CT_TEST_FIXTURE;
+
+static CT_TEST_FIXTURE set_up(const char *const test_case_name)
+{
+ CT_TEST_FIXTURE fixture;
+ int setup_ok = 1;
+
+ memset(&fixture, 0, sizeof(fixture));
+
+ fixture.test_case_name = test_case_name;
+ fixture.epoch_time_in_ms = 1473269626000; /* Sep 7 17:33:46 2016 GMT */
+ fixture.ctlog_store = CTLOG_STORE_new();
+
+ if (fixture.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(fixture.ctlog_store) != 1) {
+ setup_ok = 0;
+ fprintf(stderr, "Failed to load CT log list\n");
+ goto end;
+ }
+
+end:
+ if (!setup_ok) {
+ CTLOG_STORE_free(fixture.ctlog_store);
+ exit(EXIT_FAILURE);
+ }
+ return fixture;
+}
+
+static void tear_down(CT_TEST_FIXTURE fixture)
+{
+ CTLOG_STORE_free(fixture.ctlog_store);
+ SCT_LIST_free(fixture.sct_list);
+ ERR_print_errors_fp(stderr);
+}
+
+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)
+{
+ X509 *cert = NULL;
+ char *file_path = mk_file_path(dir, file);
+
+ if (file_path != NULL) {
+ BIO *cert_io = BIO_new_file(file_path, "r");
+ OPENSSL_free(file_path);
+
+ if (cert_io != NULL)
+ cert = PEM_read_bio_X509(cert_io, NULL, NULL, NULL);
+
+ BIO_free(cert_io);
+ }
+ return cert;
+}
+
+static int read_text_file(const char *dir, const char *file,
+ char *buffer, int buffer_length)
+{
+ int result = -1;
+ char *file_path = mk_file_path(dir, 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 compare_sct_list_printout(STACK_OF(SCT) *sct,
+ const char *expected_output)
+{
+ BIO *text_buffer = NULL;
+ char *actual_output = NULL;
+ int result = 1;
+
+ text_buffer = BIO_new(BIO_s_mem());
+ if (text_buffer == NULL) {
+ fprintf(stderr, "Unable to allocate buffer\n");
+ goto end;
+ }
+
+ SCT_LIST_print(sct, text_buffer, 0, "\n", NULL);
+
+ /* Append null terminator because we're about to use the buffer contents
+ * as a string. */
+ if (BIO_write(text_buffer, "\0", 1) != 1) {
+ fprintf(stderr, "Failed to append null terminator to SCT text\n");
+ goto end;
+ }
+
+ BIO_get_mem_data(text_buffer, &actual_output);
+ result = strcmp(actual_output, expected_output);
+
+ if (result != 0) {
+ fprintf(stderr,
+ "Expected SCT printout:\n%s\nActual SCT printout:\n%s\n",
+ expected_output, actual_output);
+ }
+
+end:
+ BIO_free(text_buffer);
+ return result;
+}
+
+static int compare_extension_printout(X509_EXTENSION *extension,
+ const char *expected_output)
+{
+ BIO *text_buffer = NULL;
+ char *actual_output = NULL;
+ int result = 1;
+
+ text_buffer = BIO_new(BIO_s_mem());
+ if (text_buffer == NULL) {
+ fprintf(stderr, "Unable to allocate buffer\n");
+ goto end;
+ }
+
+ if (!X509V3_EXT_print(text_buffer, extension, X509V3_EXT_DEFAULT, 0)) {
+ fprintf(stderr, "Failed to print extension\n");
+ goto end;
+ }
+
+ /* Append null terminator because we're about to use the buffer contents
+ * as a string. */
+ if (BIO_write(text_buffer, "\0", 1) != 1) {
+ fprintf(stderr,
+ "Failed to append null terminator to extension text\n");
+ goto end;
+ }
+
+ BIO_get_mem_data(text_buffer, &actual_output);
+ result = strcmp(actual_output, expected_output);
+
+ if (result != 0) {
+ fprintf(stderr,
+ "Expected SCT printout:\n%s\nActual SCT printout:\n%s\n",
+ expected_output, actual_output);
+ }
+
+end:
+ BIO_free(text_buffer);
+ return result;
+}
+
+static int assert_validity(CT_TEST_FIXTURE fixture,
+ STACK_OF(SCT) *scts,
+ CT_POLICY_EVAL_CTX *policy_ctx) {
+ int invalid_sct_count = 0;
+ int valid_sct_count = 0;
+ int i;
+
+ if (SCT_LIST_validate(scts, policy_ctx) < 0) {
+ fprintf(stderr, "Error verifying SCTs\n");
+ return 0;
+ }
+
+ 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_valid_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_valid_sct_count,
+ unverified_sct_count);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int execute_cert_test(CT_TEST_FIXTURE fixture)
+{
+ int success = 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_list = NULL;
+ size_t tls_sct_list_len = 0;
+ CT_POLICY_EVAL_CTX *ct_policy_ctx = CT_POLICY_EVAL_CTX_new();
+
+ 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) {
+ fprintf(stderr, "Test data file not found: %s\n",
+ fixture.sct_text_file);
+ goto end;
+ }
+
+ expected_sct_text[sct_text_len] = '\0';
+ }
+
+ CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(
+ ct_policy_ctx, fixture.ctlog_store);
+
+ CT_POLICY_EVAL_CTX_set_time(ct_policy_ctx, fixture.epoch_time_in_ms);
+
+ if (fixture.certificate_file != NULL) {
+ int sct_extension_index;
+ X509_EXTENSION *sct_extension = NULL;
+ cert = load_pem_cert(fixture.certs_dir, fixture.certificate_file);
+
+ if (cert == NULL) {
+ fprintf(stderr, "Unable to load certificate: %s\n",
+ fixture.certificate_file);
+ goto end;
+ }
+
+ CT_POLICY_EVAL_CTX_set1_cert(ct_policy_ctx, cert);
+
+ if (fixture.issuer_file != NULL) {
+ issuer = load_pem_cert(fixture.certs_dir, fixture.issuer_file);
+
+ if (issuer == NULL) {
+ fprintf(stderr, "Unable to load issuer certificate: %s\n",
+ fixture.issuer_file);
+ goto end;
+ }
+
+ CT_POLICY_EVAL_CTX_set1_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) {
+ fprintf(stderr, "SCT extension not found in: %s\n",
+ fixture.certificate_file);
+ goto end;
+ }
+
+ if (fixture.sct_text_file
+ && compare_extension_printout(sct_extension,
+ expected_sct_text)) {
+ goto end;
+ }
+
+ if (fixture.test_validity) {
+ int i;
+
+ scts = X509V3_EXT_d2i(sct_extension);
+ for (i = 0; i < sk_SCT_num(scts); ++i) {
+ SCT *sct_i = sk_SCT_value(scts, i);
+
+ if (!SCT_set_source(sct_i, SCT_SOURCE_X509V3_EXTENSION)) {
+ fprintf(stderr,
+ "Error setting SCT source to X509v3 extension\n");
+ goto end;
+ }
+ }
+
+ if (!assert_validity(fixture, scts, ct_policy_ctx))
+ goto end;
+ }
+ } else if (sct_extension != NULL) {
+ fprintf(stderr,
+ "Expected no SCTs, but found SCT extension in: %s\n",
+ fixture.certificate_file);
+ goto end;
+ }
+ }
+
+ if (fixture.tls_sct_list != NULL) {
+ const unsigned char *p = fixture.tls_sct_list;
+ if (o2i_SCT_LIST(&scts, &p, fixture.tls_sct_list_len) == NULL) {
+ fprintf(stderr, "Failed to decode SCTs from TLS format\n");
+ goto end;
+ }
+
+ if (fixture.test_validity && cert != NULL) {
+ if (!assert_validity(fixture, scts, ct_policy_ctx))
+ goto end;
+ }
+
+ if (fixture.sct_text_file
+ && compare_sct_list_printout(scts, expected_sct_text)) {
+ goto end;
+ }
+
+ tls_sct_list_len = i2o_SCT_LIST(scts, &tls_sct_list);
+ if (tls_sct_list_len != fixture.tls_sct_list_len ||
+ memcmp(fixture.tls_sct_list, tls_sct_list, tls_sct_list_len) != 0) {
+ fprintf(stderr,
+ "Failed to encode SCTs into TLS format correctly\n");
+ goto end;
+ }
+ }
+ success = 1;
+
+end:
+ X509_free(cert);
+ X509_free(issuer);
+ SCT_LIST_free(scts);
+ SCT_free(sct);
+ CT_POLICY_EVAL_CTX_free(ct_policy_ctx);
+ OPENSSL_free(tls_sct_list);
+ return success;
+}
+
+#define SETUP_CT_TEST_FIXTURE() SETUP_TEST_FIXTURE(CT_TEST_FIXTURE, set_up)
+#define EXECUTE_CT_TEST() EXECUTE_TEST(execute_cert_test, tear_down)
+
+static int test_no_scts_in_certificate()
+{
+ SETUP_CT_TEST_FIXTURE();
+ 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.certs_dir = certs_dir;
+ fixture.certificate_file = "embeddedSCTs1.pem";
+ fixture.issuer_file = "embeddedSCTs1_issuer.pem";
+ fixture.expected_sct_count = 1;
+ 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.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 = fixture.expected_valid_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 = fixture.expected_valid_sct_count = 3;
+ fixture.test_validity = 1;
+ EXECUTE_CT_TEST();
+}
+
+static int test_verify_fails_for_future_sct()
+{
+ SETUP_CT_TEST_FIXTURE();
+ fixture.epoch_time_in_ms = 1365094800000; /* Apr 4 17:00:00 2013 GMT */
+ fixture.certs_dir = certs_dir;
+ fixture.certificate_file = "embeddedSCTs1.pem";
+ fixture.issuer_file = "embeddedSCTs1_issuer.pem";
+ fixture.expected_sct_count = 1;
+ fixture.expected_valid_sct_count = 0;
+ fixture.test_validity = 1;
+ EXECUTE_CT_TEST();
+}
+
+static int test_decode_tls_sct()
+{
+ const unsigned char tls_sct_list[] = "\x00\x78" /* length of list */
+ "\x00\x76"
+ "\x00" /* version */
+ /* log ID */
+ "\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"
+ "\x00\x00\x01\x3D\xDB\x27\xDF\x93" /* timestamp */
+ "\x00\x00" /* extensions length */
+ "" /* extensions */
+ "\x04\x03" /* hash and signature algorithms */
+ "\x00\x47" /* signature length */
+ /* signature */
+ "\x30\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";
+
+ SETUP_CT_TEST_FIXTURE();
+ fixture.tls_sct_list = tls_sct_list;
+ fixture.tls_sct_list_len = 0x7a;
+ fixture.sct_dir = ct_dir;
+ fixture.sct_text_file = "tls1.sct";
+ EXECUTE_CT_TEST();
+}
+
+static int test_encode_tls_sct()
+{
+ const char log_id[] = "3xwuwRUAlFJHqWFoMl3cXHlZ6PfG04j8AC4LvT9012Q=";
+ const uint64_t timestamp = 1;
+ const char extensions[] = "";
+ const char signature[] = "BAMARzBAMiBIL2dRrzXbplQ2vh/WZA89v5pBQpSVkkUwKI+j5"
+ "eI+BgIhAOTtwNs6xXKx4vXoq2poBlOYfc9BAn3+/6EFUZ2J7b8I";
+ SCT *sct = NULL;
+
+ SETUP_CT_TEST_FIXTURE();
+
+ fixture.sct_list = sk_SCT_new_null();
+ sct = SCT_new_from_base64(SCT_VERSION_V1, log_id,
+ CT_LOG_ENTRY_TYPE_X509, timestamp,
+ extensions, signature);
+
+ if (sct == NULL) {
+ tear_down(fixture);
+ fprintf(stderr, "Failed to create SCT from base64-encoded test data\n");
+ return 0;
+ }
+
+ sk_SCT_push(fixture.sct_list, sct);
+ fixture.sct_dir = ct_dir;
+ fixture.sct_text_file = "tls1.sct";
+ EXECUTE_CT_TEST();
+}
+
+/*
+ * Tests that the CT_POLICY_EVAL_CTX default time is approximately now.
+ * Allow +-10 minutes, as it may compensate for clock skew.
+ */
+static int test_default_ct_policy_eval_ctx_time_is_now()
+{
+ int success = 0;
+ CT_POLICY_EVAL_CTX *ct_policy_ctx = CT_POLICY_EVAL_CTX_new();
+ const time_t default_time = CT_POLICY_EVAL_CTX_get_time(ct_policy_ctx) /
+ 1000;
+ const time_t time_tolerance = 600; /* 10 minutes */
+
+ if (fabs(difftime(time(NULL), default_time)) > time_tolerance) {
+ fprintf(stderr,
+ "Default CT_POLICY_EVAL_CTX time is not approximately now.\n");
+ goto end;
+ }
+
+ success = 1;
+end:
+ CT_POLICY_EVAL_CTX_free(ct_policy_ctx);
+ return success;
+}
+
+int main(int argc, char *argv[])
+{
+ int result = 0;
+ char *tmp_env = NULL;
+
+ tmp_env = getenv("OPENSSL_DEBUG_MEMORY");
+ if (tmp_env != NULL && strcmp(tmp_env, "on") == 0)
+ CRYPTO_set_mem_debug(1);
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+ 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_verify_fails_for_future_sct);
+ ADD_TEST(test_decode_tls_sct);
+ ADD_TEST(test_encode_tls_sct);
+ ADD_TEST(test_default_ct_policy_eval_ctx_time_is_now);
+
+ result = run_tests(argv[0]);
+ ERR_print_errors_fp(stderr);
+
+ OPENSSL_free(ct_dir);
+ OPENSSL_free(certs_dir);
+
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ if (CRYPTO_mem_leaks_fp(stderr) <= 0)
+ result = 1;
+#endif
+
+ return result;
+}
+
+#else /* OPENSSL_NO_CT */
+
+int main(int argc, char* argv[])
+{
+ return EXIT_SUCCESS;
+}
+
+#endif /* OPENSSL_NO_CT */
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