diff options
Diffstat (limited to 'src/libstrongswan/tests/suites/test_certnames.c')
| -rw-r--r-- | src/libstrongswan/tests/suites/test_certnames.c | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/src/libstrongswan/tests/suites/test_certnames.c b/src/libstrongswan/tests/suites/test_certnames.c new file mode 100644 index 000000000..e30702864 --- /dev/null +++ b/src/libstrongswan/tests/suites/test_certnames.c @@ -0,0 +1,398 @@ +/* + * Copyright (C) 2014 Martin Willi + * Copyright (C) 2014 revosec AG + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include "test_suite.h" + +#include <asn1/asn1.h> +#include <credentials/sets/mem_cred.h> +#include <credentials/certificates/x509.h> + +/** + * RSA private key, so we don't have to generate one + */ +static char keydata[] = { + 0x30,0x82,0x02,0x5e,0x02,0x01,0x00,0x02,0x81,0x81,0x00,0xb1,0x9b,0xd4,0x51,0x24, + 0xfc,0x56,0x1d,0x3d,0xfb,0xa2,0xea,0x37,0x02,0x70,0x72,0x87,0x84,0x2f,0x3b,0x2d, + 0x6e,0x22,0xef,0x3f,0x37,0x04,0xb2,0x6f,0xb7,0xe7,0xd8,0x58,0x05,0xde,0x34,0xbf, + 0x99,0xe6,0x40,0x7a,0x56,0xa7,0x73,0xf5,0x98,0xcb,0xb0,0x37,0x90,0x5e,0xd1,0x3f, + 0xf4,0x73,0x50,0x7f,0x53,0x8e,0xf1,0x04,0x25,0xb4,0x77,0x22,0x4e,0x8a,0x9d,0x27, + 0x8f,0x6f,0xaf,0x59,0xbd,0xb0,0x0f,0xf0,0xaa,0x11,0x94,0x66,0x16,0x10,0x58,0xad, + 0x77,0xa1,0xac,0x58,0xb4,0xd0,0x0d,0xbc,0x11,0xe0,0xc0,0xe9,0x29,0xdc,0x42,0x63, + 0x01,0x23,0x4f,0x28,0x41,0x6d,0x34,0x9e,0x0c,0x4a,0xc8,0x62,0x83,0xb5,0x71,0x71, + 0x0b,0x51,0xc0,0x4c,0x37,0xd4,0x68,0x19,0x52,0x9a,0x8b,0x02,0x03,0x01,0x00,0x01, + 0x02,0x81,0x81,0x00,0x82,0xca,0x33,0x16,0xb2,0x3a,0xd4,0x1b,0x62,0x9a,0x9c,0xc5, + 0x07,0x4f,0x57,0x89,0x2f,0x7c,0x4a,0xdf,0xb4,0x3b,0xc7,0xa4,0x11,0x14,0x2d,0xf4, + 0x4c,0xca,0xcc,0x03,0x88,0x06,0x82,0x34,0xab,0xe7,0xe4,0x24,0x15,0x33,0x1c,0xcb, + 0x0a,0xcf,0xc3,0x27,0x78,0x33,0x6b,0x6f,0x82,0x3e,0x3c,0x70,0xc9,0xe2,0xb9,0x7f, + 0x88,0xc3,0x4f,0x59,0xb5,0x8e,0xa3,0x81,0xd9,0x88,0x1f,0xc0,0x38,0xbc,0xc8,0x93, + 0x40,0x0f,0x43,0xd8,0x72,0x12,0xb4,0xcc,0x6d,0x76,0x0a,0x6f,0x01,0x05,0xa8,0x88, + 0xf4,0x57,0x44,0xd2,0x05,0xc4,0x77,0xf5,0xfb,0x1b,0xf3,0xb2,0x0d,0x90,0xb8,0xb4, + 0x63,0x62,0x70,0x2c,0xe4,0x28,0xd8,0x20,0x10,0x85,0x4a,0x5e,0x63,0xa9,0xb0,0xdd, + 0xba,0xd0,0x32,0x49,0x02,0x41,0x00,0xdb,0x77,0xf1,0xdd,0x1a,0x12,0xc5,0xfb,0x2b, + 0x5b,0xb2,0xcd,0xb6,0xd0,0x4c,0xc4,0xe5,0x93,0xd6,0xf8,0x88,0xfc,0x18,0x40,0x21, + 0x9c,0xf7,0x2d,0x60,0x6f,0x91,0xf5,0x73,0x3c,0xf7,0x7f,0x67,0x1d,0x5b,0xb5,0xee, + 0x29,0xc1,0xd4,0xc6,0xdb,0x44,0x4c,0x40,0x05,0x63,0xaa,0x71,0x95,0x18,0x14,0xa7, + 0x23,0x9f,0x7a,0xee,0x7f,0xb5,0xc7,0x02,0x41,0x00,0xcf,0x2c,0x24,0x50,0x65,0xf4, + 0x94,0x7b,0xe9,0xf3,0x13,0x77,0xea,0x27,0x3c,0x6f,0x03,0x84,0xa7,0x7d,0xa2,0x54, + 0x40,0x97,0x82,0x0e,0xd9,0x09,0x9f,0x4a,0xa6,0x75,0xe5,0x66,0xe4,0x9c,0x59,0xd9, + 0x3a,0xe6,0xf7,0xd8,0x8b,0x68,0xb0,0x21,0x52,0x31,0xb3,0x4a,0xa0,0x2c,0x41,0xd7, + 0x1f,0x7b,0xe2,0x0f,0x15,0xc9,0x6e,0xc0,0xe5,0x1d,0x02,0x41,0x00,0x9c,0x1a,0x61, + 0x9f,0x89,0xc7,0x26,0xa9,0x33,0xba,0xe2,0xa0,0x6d,0xd3,0x15,0x77,0xcb,0x6f,0xef, + 0xad,0x12,0x0a,0x75,0xd9,0x4f,0xcf,0x4d,0x05,0x2a,0x9d,0xd1,0x2c,0xcb,0xcd,0xe6, + 0xa0,0xe9,0x20,0x39,0xb6,0x5a,0xf3,0xba,0x99,0xf4,0xe3,0xcb,0x5d,0x8d,0x00,0x08, + 0x57,0x18,0xb9,0x1a,0xca,0xbd,0xe3,0x99,0xb1,0x1f,0xe9,0x18,0xcb,0x02,0x40,0x65, + 0x35,0x1b,0x48,0x6b,0x86,0x60,0x43,0x68,0xb6,0xe6,0xfb,0xdd,0xd7,0xed,0x1e,0x0e, + 0x89,0xef,0x88,0xe0,0x94,0x68,0x39,0x9b,0xbf,0xc5,0x27,0x7e,0x39,0xe9,0xb8,0x0e, + 0xa9,0x85,0x65,0x1c,0x3f,0x93,0x16,0xe2,0x5d,0x57,0x3d,0x7d,0x4d,0xc9,0xe9,0x9d, + 0xbd,0x07,0x22,0x97,0xc7,0x90,0x09,0xe5,0x15,0x99,0x7f,0x1e,0x2b,0xfd,0xc1,0x02, + 0x41,0x00,0x92,0x78,0xfe,0x04,0xa0,0x53,0xed,0x36,0x97,0xbd,0x16,0xce,0x91,0x9b, + 0xbe,0x1f,0x8e,0x40,0x00,0x99,0x0c,0x49,0x15,0xca,0x59,0xd3,0xe3,0xd4,0xeb,0x71, + 0xcf,0xda,0xd7,0xc8,0x99,0x74,0xfc,0x6b,0xe8,0xfd,0xe5,0xe0,0x49,0x61,0xcb,0xda, + 0xe3,0xe7,0x8b,0x72,0xb5,0x69,0x73,0x2b,0x8b,0x54,0xcb,0xd9,0x48,0x6d,0x61,0x02, + 0x49,0xe8, +}; + +/** + * Issue a certificate with permitted/excluded name constraints + */ +static certificate_t* create_cert(certificate_t *ca, char *subject, char *san, + x509_flag_t flags, identification_t *permitted, + identification_t *excluded) +{ + private_key_t *privkey; + public_key_t *pubkey; + certificate_t *cert; + identification_t *id; + linked_list_t *plist, *elist, *sans; + + privkey = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA, + BUILD_BLOB_ASN1_DER, chunk_from_thing(keydata), + BUILD_END); + ck_assert(privkey); + pubkey = privkey->get_public_key(privkey); + ck_assert(pubkey); + plist = linked_list_create(); + if (permitted) + { + plist->insert_last(plist, permitted); + } + elist = linked_list_create(); + if (excluded) + { + elist->insert_last(elist, excluded); + } + sans = linked_list_create(); + if (san) + { + id = identification_create_from_string(san); + sans->insert_last(sans, id); + } + id = identification_create_from_string(subject); + cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509, + BUILD_SIGNING_KEY, privkey, + BUILD_PUBLIC_KEY, pubkey, + BUILD_SUBJECT, id, + BUILD_X509_FLAG, flags, + BUILD_SIGNING_CERT, ca, + BUILD_SUBJECT_ALTNAMES, sans, + BUILD_PERMITTED_NAME_CONSTRAINTS, plist, + BUILD_EXCLUDED_NAME_CONSTRAINTS, elist, + BUILD_END); + ck_assert(cert); + id->destroy(id); + sans->destroy_offset(sans, offsetof(identification_t, destroy)); + plist->destroy_offset(plist, offsetof(identification_t, destroy)); + elist->destroy_offset(elist, offsetof(identification_t, destroy)); + privkey->destroy(privkey); + pubkey->destroy(pubkey); + + return cert; +} + +/** + * Check if a certificate with given subject has a valid trustchain + */ +static bool check_trust(identification_t *subject) +{ + enumerator_t *certs; + certificate_t *cert; + bool trusted; + + certs = lib->credmgr->create_trusted_enumerator(lib->credmgr, KEY_ANY, + subject, FALSE); + trusted = certs->enumerate(certs, &cert, NULL); + certs->destroy(certs); + + return trusted; +} + +static mem_cred_t *creds; + +START_SETUP(setup) +{ + creds = mem_cred_create(); + lib->credmgr->add_set(lib->credmgr, &creds->set); +} +END_SETUP + +START_TEARDOWN(teardown) +{ + lib->credmgr->remove_set(lib->credmgr, &creds->set); + creds->destroy(creds); + lib->credmgr->flush_cache(lib->credmgr, CERT_ANY); +} +END_TEARDOWN + +static struct { + char *constraint; + char *subject; + bool good; +} permitted_dn[] = { + { "C=CH, O=strongSwan", "C=CH, O=strongSwan, CN=tester", TRUE }, + { "C=CH, O=strongSwan", "C=CH, O=strong", FALSE }, + { "C=CH, O=strongSwan", "C=CH, O=strong, CN=tester", FALSE }, + { "C=CH, O=strongSwan", "C=CH, O=another, CN=tester", FALSE }, + { "C=CH, O=strongSwan", "C=CH, CN=tester, O=strongSwan", FALSE }, +}; + +START_TEST(test_permitted_dn) +{ + certificate_t *ca, *im, *sj; + identification_t *id; + + id = identification_create_from_string(permitted_dn[_i].constraint); + ca = create_cert(NULL, "C=CH, O=strongSwan, CN=CA", NULL, X509_CA, id, NULL); + id = identification_create_from_string(permitted_dn[_i].constraint); + im = create_cert(ca, "C=CH, O=strongSwan, CN=IM", NULL, X509_CA, id, NULL); + sj = create_cert(im, permitted_dn[_i].subject, NULL, 0, NULL, NULL); + + creds->add_cert(creds, TRUE, ca); + creds->add_cert(creds, FALSE, im); + creds->add_cert(creds, FALSE, sj); + + ck_assert(check_trust(sj->get_subject(sj)) == permitted_dn[_i].good); +} +END_TEST + +static struct { + id_type_t ctype; + char *cdata; + char *subject; + bool good; +} permitted_san[] = { + { ID_FQDN, ".strongswan.org", "test.strongswan.org", TRUE }, + { ID_FQDN, "strongswan.org", "test.strongswan.org", TRUE }, + { ID_FQDN, "a.b.c.strongswan.org", "d.a.b.c.strongswan.org", TRUE }, + { ID_FQDN, "a.b.c.strongswan.org", "a.b.c.d.strongswan.org", FALSE }, + { ID_FQDN, "strongswan.org", "strongswan.org.com", FALSE }, + { ID_FQDN, ".strongswan.org", "strongswan.org", FALSE }, + { ID_FQDN, "strongswan.org", "nostrongswan.org", FALSE }, + { ID_FQDN, "strongswan.org", "swan.org", FALSE }, + { ID_FQDN, "strongswan.org", "swan.org", FALSE }, + { ID_RFC822_ADDR, "tester@strongswan.org", "tester@strongswan.org", TRUE }, + { ID_RFC822_ADDR, "tester@strongswan.org", "atester@strongswan.org", FALSE }, + { ID_RFC822_ADDR, "strongswan.org", "tester@strongswan.org", TRUE }, + { ID_RFC822_ADDR, "strongswan.org", "tester@test.strongswan.org", FALSE }, + { ID_RFC822_ADDR, ".strongswan.org", "tester@test.strongswan.org", TRUE }, + { ID_RFC822_ADDR, ".strongswan.org", "tester@strongswan.org", FALSE }, +}; + +START_TEST(test_permitted_san) +{ + certificate_t *ca, *sj; + identification_t *id; + + id = identification_create_from_encoding(permitted_san[_i].ctype, + chunk_from_str(permitted_san[_i].cdata)); + ca = create_cert(NULL, "CN=CA", NULL, X509_CA, id, NULL); + sj = create_cert(ca, "CN=SJ", permitted_san[_i].subject, 0, NULL, NULL); + + creds->add_cert(creds, TRUE, ca); + creds->add_cert(creds, FALSE, sj); + + ck_assert(check_trust(sj->get_subject(sj)) == permitted_san[_i].good); +} +END_TEST + +static struct { + char *constraint; + char *subject; + bool good; +} excluded_dn[] = { + { "C=CH, O=another", "C=CH, O=strongSwan, CN=tester", TRUE }, + { "C=CH, O=another", "C=CH, O=anot", TRUE }, + { "C=CH, O=another", "C=CH, O=anot, CN=tester", TRUE }, + { "C=CH, O=another", "C=CH, O=another, CN=tester", FALSE }, + { "C=CH, O=another", "C=CH, CN=tester, O=another", TRUE }, +}; + +START_TEST(test_excluded_dn) +{ + certificate_t *ca, *im, *sj; + identification_t *id; + + id = identification_create_from_string(excluded_dn[_i].constraint); + ca = create_cert(NULL, "C=CH, O=strongSwan, CN=CA", NULL, X509_CA, NULL, id); + id = identification_create_from_string(excluded_dn[_i].constraint); + im = create_cert(ca, "C=CH, O=strongSwan, CN=IM", NULL, X509_CA, NULL, id); + sj = create_cert(im, excluded_dn[_i].subject, NULL, 0, NULL, NULL); + + creds->add_cert(creds, TRUE, ca); + creds->add_cert(creds, FALSE, im); + creds->add_cert(creds, FALSE, sj); + + ck_assert(check_trust(sj->get_subject(sj)) == excluded_dn[_i].good); +} +END_TEST + +static struct { + id_type_t ctype; + char *cdata; + char *subject; + bool good; +} excluded_san[] = { + { ID_FQDN, ".strongswan.org", "test.strongswan.org", FALSE }, + { ID_FQDN, "strongswan.org", "test.strongswan.org", FALSE }, + { ID_FQDN, "a.b.c.strongswan.org", "d.a.b.c.strongswan.org", FALSE }, + { ID_FQDN, "a.b.c.strongswan.org", "a.b.c.d.strongswan.org", TRUE }, + { ID_FQDN, "strongswan.org", "strongswan.org.com", TRUE }, + { ID_FQDN, ".strongswan.org", "strongswan.org", TRUE }, + { ID_FQDN, "strongswan.org", "nostrongswan.org", TRUE }, + { ID_FQDN, "strongswan.org", "swan.org", TRUE }, + { ID_FQDN, "strongswan.org", "swan.org", TRUE }, + { ID_RFC822_ADDR, "tester@strongswan.org", "tester@strongswan.org", FALSE }, + { ID_RFC822_ADDR, "tester@strongswan.org", "atester@strongswan.org", TRUE }, + { ID_RFC822_ADDR, "strongswan.org", "tester@strongswan.org", FALSE }, + { ID_RFC822_ADDR, "strongswan.org", "tester@test.strongswan.org", TRUE }, + { ID_RFC822_ADDR, ".strongswan.org", "tester@test.strongswan.org", FALSE }, + { ID_RFC822_ADDR, ".strongswan.org", "tester@strongswan.org", TRUE }, +}; + +START_TEST(test_excluded_san) +{ + certificate_t *ca, *sj; + identification_t *id; + + id = identification_create_from_encoding(excluded_san[_i].ctype, + chunk_from_str(excluded_san[_i].cdata)); + ca = create_cert(NULL, "CN=CA", NULL, X509_CA, NULL, id); + sj = create_cert(ca, "CN=SJ", excluded_san[_i].subject, 0, NULL, NULL); + + creds->add_cert(creds, TRUE, ca); + creds->add_cert(creds, FALSE, sj); + + ck_assert(check_trust(sj->get_subject(sj)) == excluded_san[_i].good); +} +END_TEST + +static struct { + char *caconst; + char *imconst; + char *subject; + bool good; +} permitted_dninh[] = { + { "C=CH", "C=CH, O=strongSwan", "C=CH, O=strongSwan, CN=tester", TRUE }, + { "C=CH", "C=DE, O=strongSwan", "C=CH, O=strongSwan, CN=tester", FALSE }, + { "C=CH, O=strongSwan", "C=CH", "C=CH", FALSE }, +}; + +START_TEST(test_permitted_dninh) +{ + certificate_t *ca, *im, *sj; + identification_t *id; + + id = identification_create_from_string(permitted_dninh[_i].caconst); + ca = create_cert(NULL, "C=CH, O=strongSwan, CN=CA", NULL, X509_CA, id, NULL); + id = identification_create_from_string(permitted_dninh[_i].imconst); + im = create_cert(ca, "C=CH, O=strongSwan, CN=IM", NULL, X509_CA, id, NULL); + sj = create_cert(im, permitted_dninh[_i].subject, NULL, 0, NULL, NULL); + + creds->add_cert(creds, TRUE, ca); + creds->add_cert(creds, FALSE, im); + creds->add_cert(creds, FALSE, sj); + + ck_assert(check_trust(sj->get_subject(sj)) == permitted_dninh[_i].good); +} +END_TEST + +static struct { + char *caconst; + char *imconst; + char *subject; + bool good; +} excluded_dninh[] = { + { "C=CH, O=strongSwan", "C=CH", "C=DE", TRUE }, + { "C=CH, O=strongSwan", "C=DE", "C=CH", FALSE }, + { "C=CH", "C=CH, O=strongSwan", "C=CH, O=strongSwan, CN=tester", FALSE }, +}; + +START_TEST(test_excluded_dninh) +{ + certificate_t *ca, *im, *sj; + identification_t *id; + + id = identification_create_from_string(excluded_dninh[_i].caconst); + ca = create_cert(NULL, "C=CH, O=strongSwan, CN=CA", NULL, X509_CA, NULL, id); + id = identification_create_from_string(excluded_dninh[_i].imconst); + im = create_cert(ca, "C=DE, CN=IM", NULL, X509_CA, NULL, id); + sj = create_cert(im, excluded_dninh[_i].subject, NULL, 0, NULL, NULL); + + creds->add_cert(creds, TRUE, ca); + creds->add_cert(creds, FALSE, im); + creds->add_cert(creds, FALSE, sj); + + ck_assert(check_trust(sj->get_subject(sj)) == excluded_dninh[_i].good); +} +END_TEST + +Suite *certnames_suite_create() +{ + Suite *s; + TCase *tc; + + s = suite_create("certnames"); + + tc = tcase_create("permitted DN name constraints"); + tcase_add_checked_fixture(tc, setup, teardown); + tcase_add_loop_test(tc, test_permitted_dn, 0, countof(permitted_dn)); + suite_add_tcase(s, tc); + + tc = tcase_create("permitted subjectAltName constraints"); + tcase_add_checked_fixture(tc, setup, teardown); + tcase_add_loop_test(tc, test_permitted_san, 0, countof(permitted_san)); + suite_add_tcase(s, tc); + + tc = tcase_create("excluded DN constraints"); + tcase_add_checked_fixture(tc, setup, teardown); + tcase_add_loop_test(tc, test_excluded_dn, 0, countof(excluded_dn)); + suite_add_tcase(s, tc); + + tc = tcase_create("excluded subjectAltName constraints"); + tcase_add_checked_fixture(tc, setup, teardown); + tcase_add_loop_test(tc, test_excluded_san, 0, countof(excluded_san)); + suite_add_tcase(s, tc); + + tc = tcase_create("permitted DN name constraint inherit"); + tcase_add_checked_fixture(tc, setup, teardown); + tcase_add_loop_test(tc, test_permitted_dninh, 0, countof(permitted_dninh)); + suite_add_tcase(s, tc); + + tc = tcase_create("excluded DN name constraint inherit"); + tcase_add_checked_fixture(tc, setup, teardown); + tcase_add_loop_test(tc, test_excluded_dninh, 0, countof(excluded_dninh)); + suite_add_tcase(s, tc); + + return s; +} |