/*
- * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (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 <stdio.h>
+#include <string.h>
#include <openssl/crypto.h>
#include <openssl/bio.h>
#include <openssl/x509.h>
#include <openssl/err.h>
#include "testutil.h"
+static const char *root_f;
static const char *roots_f;
static const char *untrusted_f;
static const char *bad_f;
+static const char *req_f;
-static STACK_OF(X509) *load_certs_from_file(const char *filename)
-{
- STACK_OF(X509) *certs;
- BIO *bio;
- X509 *x;
-
- bio = BIO_new_file(filename, "r");
-
- if (bio == NULL) {
- return NULL;
- }
-
- certs = sk_X509_new_null();
- if (certs == NULL) {
- BIO_free(bio);
- return NULL;
- }
-
- ERR_set_mark();
- do {
- x = PEM_read_bio_X509(bio, NULL, 0, NULL);
- if (x != NULL && !sk_X509_push(certs, x)) {
- sk_X509_pop_free(certs, X509_free);
- BIO_free(bio);
- return NULL;
- } else if (x == NULL) {
- /*
- * We probably just ran out of certs, so ignore any errors
- * generated
- */
- ERR_pop_to_mark();
- }
- } while (x != NULL);
-
- BIO_free(bio);
+#define load_cert_from_file(file) load_cert_pem(file, NULL)
- return certs;
-}
-
-/*
+/*-
* Test for CVE-2015-1793 (Alternate Chains Certificate Forgery)
*
* Chain is as follows:
int i;
X509 *x = NULL;
STACK_OF(X509) *untrusted = NULL;
- BIO *bio = NULL;
X509_STORE_CTX *sctx = NULL;
X509_STORE *store = NULL;
X509_LOOKUP *lookup = NULL;
if (!X509_LOOKUP_load_file(lookup, roots_f, X509_FILETYPE_PEM))
goto err;
- untrusted = load_certs_from_file(untrusted_f);
+ untrusted = load_certs_pem(untrusted_f);
- if ((bio = BIO_new_file(bad_f, "r")) == NULL)
- goto err;
-
- if ((x = PEM_read_bio_X509(bio, NULL, 0, NULL)) == NULL)
+ if ((x = load_cert_from_file(bad_f)) == NULL)
goto err;
sctx = X509_STORE_CTX_new();
err:
X509_STORE_CTX_free(sctx);
X509_free(x);
- BIO_free(bio);
- sk_X509_pop_free(untrusted, X509_free);
+ OSSL_STACK_OF_X509_free(untrusted);
X509_STORE_free(store);
return ret;
}
-static int test_store_ctx(void)
+OPT_TEST_DECLARE_USAGE("roots.pem untrusted.pem bad.pem\n")
+
+static int test_distinguishing_id(void)
{
- X509_STORE_CTX *sctx = NULL;
X509 *x = NULL;
+ int ret = 0;
+ ASN1_OCTET_STRING *v = NULL, *v2 = NULL;
+ char *distid = "this is an ID";
+
+ x = load_cert_from_file(bad_f);
+ if (x == NULL)
+ goto err;
+
+ v = ASN1_OCTET_STRING_new();
+ if (v == NULL)
+ goto err;
+
+ if (!ASN1_OCTET_STRING_set(v, (unsigned char *)distid,
+ (int)strlen(distid))) {
+ ASN1_OCTET_STRING_free(v);
+ goto err;
+ }
+
+ X509_set0_distinguishing_id(x, v);
+
+ v2 = X509_get0_distinguishing_id(x);
+ if (!TEST_ptr(v2)
+ || !TEST_int_eq(ASN1_OCTET_STRING_cmp(v, v2), 0))
+ goto err;
+
+ ret = 1;
+ err:
+ X509_free(x);
+ return ret;
+}
+
+static int test_req_distinguishing_id(void)
+{
+ X509_REQ *x = NULL;
BIO *bio = NULL;
- int testresult = 0, ret;
+ int ret = 0;
+ ASN1_OCTET_STRING *v = NULL, *v2 = NULL;
+ char *distid = "this is an ID";
- bio = BIO_new_file(bad_f, "r");
+ bio = BIO_new_file(req_f, "r");
if (bio == NULL)
goto err;
- x = PEM_read_bio_X509(bio, NULL, 0, NULL);
+ x = PEM_read_bio_X509_REQ(bio, NULL, 0, NULL);
if (x == NULL)
goto err;
- sctx = X509_STORE_CTX_new();
- if (sctx == NULL)
+ v = ASN1_OCTET_STRING_new();
+ if (v == NULL)
goto err;
- if (!X509_STORE_CTX_init(sctx, NULL, x, NULL))
+ if (!ASN1_OCTET_STRING_set(v, (unsigned char *)distid,
+ (int)strlen(distid))) {
+ ASN1_OCTET_STRING_free(v);
goto err;
+ }
- /* Verifying a cert where we have no trusted certs should fail */
- ret = X509_verify_cert(sctx);
+ X509_REQ_set0_distinguishing_id(x, v);
- if (ret == 0) {
- /* This is the result we were expecting: Test passed */
- testresult = 1;
- }
+ v2 = X509_REQ_get0_distinguishing_id(x);
+ if (!TEST_ptr(v2)
+ || !TEST_int_eq(ASN1_OCTET_STRING_cmp(v, v2), 0))
+ goto err;
+ ret = 1;
err:
- X509_STORE_CTX_free(sctx);
- X509_free(x);
+ X509_REQ_free(x);
BIO_free(bio);
- return testresult;
+ return ret;
+}
+
+static int test_self_signed(const char *filename, int use_trusted, int expected)
+{
+ X509 *cert = load_cert_from_file(filename); /* may result in NULL */
+ STACK_OF(X509) *trusted = sk_X509_new_null();
+ X509_STORE_CTX *ctx = X509_STORE_CTX_new();
+ int ret;
+
+ ret = TEST_int_eq(X509_self_signed(cert, 1), expected);
+
+ if (cert != NULL) {
+ if (use_trusted)
+ ret = ret && TEST_true(sk_X509_push(trusted, cert));
+ ret = ret && TEST_true(X509_STORE_CTX_init(ctx, NULL, cert, NULL));
+ X509_STORE_CTX_set0_trusted_stack(ctx, trusted);
+ ret = ret && TEST_int_eq(X509_verify_cert(ctx), expected);
+ }
+
+ X509_STORE_CTX_free(ctx);
+ sk_X509_free(trusted);
+ X509_free(cert);
+ return ret;
+}
+
+static int test_self_signed_good(void)
+{
+ return test_self_signed(root_f, 1, 1);
+}
+
+static int test_self_signed_bad(void)
+{
+ return test_self_signed(bad_f, 1, 0);
+}
+
+static int test_self_signed_error(void)
+{
+ return test_self_signed("nonexistent file name", 1, -1);
+}
+
+static int test_store_ctx(void)
+{
+ /* Verifying a cert where we have no trusted certs should fail */
+ return test_self_signed(bad_f, 0, 0);
}
int setup_tests(void)
{
- if (!TEST_ptr(roots_f = test_get_argument(0))
- || !TEST_ptr(untrusted_f = test_get_argument(1))
- || !TEST_ptr(bad_f = test_get_argument(2))) {
- TEST_error("usage: verify_extra_test roots.pem untrusted.pem bad.pem\n");
+ if (!test_skip_common_options()) {
+ TEST_error("Error parsing test options\n");
return 0;
}
+ if (!TEST_ptr(root_f = test_get_argument(0))
+ || !TEST_ptr(roots_f = test_get_argument(1))
+ || !TEST_ptr(untrusted_f = test_get_argument(2))
+ || !TEST_ptr(bad_f = test_get_argument(3))
+ || !TEST_ptr(req_f = test_get_argument(4)))
+ return 0;
+
ADD_TEST(test_alt_chains_cert_forgery);
ADD_TEST(test_store_ctx);
+ ADD_TEST(test_distinguishing_id);
+ ADD_TEST(test_req_distinguishing_id);
+ ADD_TEST(test_self_signed_good);
+ ADD_TEST(test_self_signed_bad);
+ ADD_TEST(test_self_signed_error);
return 1;
}