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/** @file
Unit test for the X509 Hostname validation functionality
@section license License
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/ssl.h>
#include <openssl/bio.h>
#include "ts/ink_apidefs.h"
#include "ts/Diags.h"
#include "ts/ink_resource.h"
#include "ts/ink_queue.h"
#include "ts/X509HostnameValidator.h"
#include "ts/TestBox.h"
// A simple certificate for CN=test.sslheaders.trafficserver.apache.org.
static const char *test_certificate_cn_name = "test.sslheaders.trafficserver.apache.org";
static const char *test_certificate_cn = "-----BEGIN CERTIFICATE-----\n"
"MIICGzCCAYSgAwIBAgIJAN/JvtOlj/5HMA0GCSqGSIb3DQEBBQUAMDMxMTAvBgNV\n"
"BAMMKHRlc3Quc3NsaGVhZGVycy50cmFmZmljc2VydmVyLmFwYWNoZS5vcmcwHhcN\n"
"MTQwNzIzMTc1MTA4WhcNMTcwNTEyMTc1MTA4WjAzMTEwLwYDVQQDDCh0ZXN0LnNz\n"
"bGhlYWRlcnMudHJhZmZpY3NlcnZlci5hcGFjaGUub3JnMIGfMA0GCSqGSIb3DQEB\n"
"AQUAA4GNADCBiQKBgQDNuincV56iMA1E7Ss9BlNvRmUdV3An5S6vXHP/hXSVTSj+\n"
"3o0I7es/2noBM7UmXWTBGNjcQYzBed/QIvqM9p5Q4B7kKFTb1xBOl4EU3LHl9fzz\n"
"hxbZMAc2MHW5X8+eCR6K6IBu5sRuLTPvIZhg63/ffhNJTImyW2+eH8guVGd38QID\n"
"AQABozcwNTAzBgNVHREELDAqgih0ZXN0LnNzbGhlYWRlcnMudHJhZmZpY3NlcnZl\n"
"ci5hcGFjaGUub3JnMA0GCSqGSIb3DQEBBQUAA4GBACayHRw5e0iejNkigLARk9aR\n"
"Wiy0WFkUdffhywjnOKxEGvfZGkNQPFN+0SHk7rAm8SlztOIElSvx/y9DByn4IeSw\n"
"2aU6zZiZUSPi9Stg8/tWv9MvOSU/J7CHaHkWuYbfBTBNDokfqFtqY3UJ7Pn+6ybS\n"
"2RZzwmSjinT8GglE30JR\n"
"-----END CERTIFICATE-----\n";
// A completely wildcard certificate with invalid wildcard format SANs- shouldn't match anything
static const char *test_certificate_bad_sans = "-----BEGIN CERTIFICATE-----\n"
"MIIB7jCCAZigAwIBAgIJAIECheWAKHNWMA0GCSqGSIb3DQEBCwUAMFcxCzAJBgNV\n"
"BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX\n"
"aWRnaXRzIFB0eSBMdGQxEDAOBgNVBAMMByouKi4qLiowHhcNMTUwMzA4MTcxOTIy\n"
"WhcNMjUwMzA1MTcxOTIyWjBXMQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1T\n"
"dGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMRAwDgYDVQQD\n"
"DAcqLiouKi4qMFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAMeiIvB0e2s7gXc4uxmD\n"
"FeUPjVhjGaGejdkgNoAV/z1sV36G06VGj3JBGkw63fhixVoSfk4MJ/tvuMlu/9E4\n"
"wL0CAwEAAaNHMEUwCQYDVR0TBAIwADALBgNVHQ8EBAMCBeAwKwYDVR0RBCQwIoIB\n"
"KoIFKi5jb22CCioubG9uZ2xvbmeHBMCoAQGHBMCoRQ4wDQYJKoZIhvcNAQELBQAD\n"
"QQC+zaPBEbJhL/Euaf2slgTMTKhnI3DUo/H5WXj54BKpefv0dtzjPD9rpEPqilhO\n"
"w0LiMuz7rapF/2++9BVPPmBh\n"
"-----END CERTIFICATE-----\n";
/* Multiple wildcard SANs:
* DNS:*.something.or.other, DNS:*.trafficserver.org, DNS:foo*.trafficserver.com, DNS:*bar.trafficserver.net
* CN: test.sslheaders.trafficserver.apache.org
*/
static const char *test_certificate_cn_and_SANs = "-----BEGIN CERTIFICATE-----\n"
"MIICajCCAhSgAwIBAgIJAK5xL+HYV+IuMA0GCSqGSIb3DQEBCwUAMHgxCzAJBgNV\n"
"BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX\n"
"aWRnaXRzIFB0eSBMdGQxMTAvBgNVBAMMKHRlc3Quc3NsaGVhZGVycy50cmFmZmlj\n"
"c2VydmVyLmFwYWNoZS5vcmcwHhcNMTUwMzI0MTUyNTEwWhcNMjUwMzIxMTUyNTEw\n"
"WjB4MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwY\n"
"SW50ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMTEwLwYDVQQDDCh0ZXN0LnNzbGhlYWRl\n"
"cnMudHJhZmZpY3NlcnZlci5hcGFjaGUub3JnMFwwDQYJKoZIhvcNAQEBBQADSwAw\n"
"SAJBAMeiIvB0e2s7gXc4uxmDFeUPjVhjGaGejdkgNoAV/z1sV36G06VGj3JBGkw6\n"
"3fhixVoSfk4MJ/tvuMlu/9E4wL0CAwEAAaOBgDB+MAkGA1UdEwQCMAAwCwYDVR0P\n"
"BAQDAgXgMGQGA1UdEQRdMFuCFCouc29tZXRoaW5nLm9yLm90aGVyghMqLnRyYWZm\n"
"aWNzZXJ2ZXIub3JnghZmb28qLnRyYWZmaWNzZXJ2ZXIuY29tghYqYmFyLnRyYWZm\n"
"aWNzZXJ2ZXIubmV0MA0GCSqGSIb3DQEBCwUAA0EAQmmFmlZQ6lPudkmjJ0K1mSld\n"
"gQP8uiG6cly7NruPZn2Yc1Cha0TycSYfVkRi0dMF2RKtaVvd4uaXDNb4Qpwv3Q==\n"
"-----END CERTIFICATE-----\n";
static X509 *
load_cert_from_string(const char *cert_string)
{
BIO *bio = BIO_new_mem_buf((void *)cert_string, -1);
return PEM_read_bio_X509(bio, NULL, 0, NULL);
}
REGRESSION_TEST(CN_match)(RegressionTest *t, int /* atype ATS_UNUSED */, int *pstatus)
{
TestBox box(t, pstatus);
char *matching;
box = REGRESSION_TEST_PASSED;
X509 *x = load_cert_from_string(test_certificate_cn);
box.check(x != NULL, "failed to load the test certificate");
box.check(validate_hostname(x, (unsigned char *)test_certificate_cn_name, false, &matching) == true, "Hostname should match");
box.check(strcmp(test_certificate_cn_name, matching) == 0, "Return hostname doesn't match lookup");
box.check(validate_hostname(x, (unsigned char *)test_certificate_cn_name + 1, false, NULL) == false, "Hostname shouldn't match");
ats_free(matching);
}
REGRESSION_TEST(bad_wildcard_SANs)(RegressionTest *t, int /* atype ATS_UNUSED */, int *pstatus)
{
TestBox box(t, pstatus);
box = REGRESSION_TEST_PASSED;
X509 *x = load_cert_from_string(test_certificate_bad_sans);
box.check(x != NULL, "failed to load the test certificate");
box.check(validate_hostname(x, (unsigned char *)"something.or.other", false, NULL) == false, "Hostname shouldn't match");
box.check(validate_hostname(x, (unsigned char *)"a.b.c", false, NULL) == false, "Hostname shouldn't match");
box.check(validate_hostname(x, (unsigned char *)"0.0.0.0", true, NULL) == false, "Hostname shouldn't match");
box.check(validate_hostname(x, (unsigned char *)"......", true, NULL) == false, "Hostname shouldn't match");
box.check(validate_hostname(x, (unsigned char *)"a.b", true, NULL) == false, "Hostname shouldn't match");
}
REGRESSION_TEST(wildcard_SAN_and_CN)(RegressionTest *t, int /* atype ATS_UNUSED */, int *pstatus)
{
TestBox box(t, pstatus);
char *matching;
box = REGRESSION_TEST_PASSED;
X509 *x = load_cert_from_string(test_certificate_cn_and_SANs);
box.check(x != NULL, "failed to load the test certificate");
box.check(validate_hostname(x, (unsigned char *)test_certificate_cn_name, false, &matching) == true, "Hostname should match");
box.check(strcmp(test_certificate_cn_name, matching) == 0, "Return hostname doesn't match lookup");
ats_free(matching);
box.check(validate_hostname(x, (unsigned char *)"a.trafficserver.org", false, &matching) == true, "Hostname should match");
box.check(strcmp("*.trafficserver.org", matching) == 0, "Return hostname doesn't match lookup");
box.check(validate_hostname(x, (unsigned char *)"a.*.trafficserver.org", false, NULL) == false, "Hostname shouldn't match");
ats_free(matching);
}
REGRESSION_TEST(IDNA_hostnames)(RegressionTest *t, int /* atype ATS_UNUSED */, int *pstatus)
{
TestBox box(t, pstatus);
char *matching;
box = REGRESSION_TEST_PASSED;
X509 *x = load_cert_from_string(test_certificate_cn_and_SANs);
box.check(x != NULL, "failed to load the test certificate");
box.check(validate_hostname(x, (unsigned char *)"xn--foobar.trafficserver.org", false, &matching) == true,
"Hostname should match");
box.check(strcmp("*.trafficserver.org", matching) == 0, "Return hostname doesn't match lookup");
ats_free(matching);
// IDNA means wildcard must match full label
box.check(validate_hostname(x, (unsigned char *)"xn--foobar.trafficserver.net", false, &matching) == false,
"Hostname shouldn't match");
}
REGRESSION_TEST(middle_label_match)(RegressionTest *t, int /* atype ATS_UNUSED */, int *pstatus)
{
TestBox box(t, pstatus);
char *matching;
box = REGRESSION_TEST_PASSED;
X509 *x = load_cert_from_string(test_certificate_cn_and_SANs);
box.check(x != NULL, "failed to load the test certificate");
box.check(validate_hostname(x, (unsigned char *)"foosomething.trafficserver.com", false, &matching) == true,
"Hostname should match");
box.check(strcmp("foo*.trafficserver.com", matching) == 0, "Return hostname doesn't match lookup");
ats_free(matching);
box.check(validate_hostname(x, (unsigned char *)"somethingbar.trafficserver.net", false, &matching) == true,
"Hostname should match");
box.check(strcmp("*bar.trafficserver.net", matching) == 0, "Return hostname doesn't match lookup");
ats_free(matching);
box.check(validate_hostname(x, (unsigned char *)"a.bar.trafficserver.net", false, NULL) == false, "Hostname shouldn't match");
box.check(validate_hostname(x, (unsigned char *)"foo.bar.trafficserver.net", false, NULL) == false, "Hostname shouldn't match");
}
int
main(int /* argc ATS_UNUSED */, const char ** /* argv ATS_UNUSED */)
{
BaseLogFile *blf = new BaseLogFile("stdout");
diags = new Diags(NULL, NULL, blf);
res_track_memory = 1;
SSL_library_init();
ink_freelists_snap_baseline();
RegressionTest::run();
ink_freelists_dump(stdout);
return RegressionTest::final_status == REGRESSION_TEST_PASSED ? 0 : 1;
}
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