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/*
* Copyright (C) 2016 Tobias Brunner
* HSR Hochschule fuer Technik Rapperswil
*
* 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 <credentials/auth_cfg.h>
struct {
char *constraints;
signature_scheme_t sig[5];
signature_scheme_t ike[5];
} sig_constraints_tests[] = {
{ "rsa-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, {0}},
{ "rsa-sha256-sha512", { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_RSA_EMSA_PKCS1_SHA2_512, 0 }, {0}},
{ "ecdsa-sha256", { SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
{ "rsa-sha256-ecdsa-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
{ "pubkey-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, SIGN_BLISS_WITH_SHA2_256, 0 }, {0}},
{ "ike:rsa-sha256", {0}, { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }},
{ "ike:rsa-sha256-rsa-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }},
{ "rsa-sha256-ike:rsa-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }},
{ "ike:pubkey-sha256", {0}, { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, SIGN_BLISS_WITH_SHA2_256, 0 }},
{ "rsa-ecdsa-sha256", { SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
{ "rsa-4096-ecdsa-sha256", { SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
{ "rsa-4096-ecdsa-256-sha256", { SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, 0 }, {0}},
{ "rsa-ecdsa256-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, {0}},
{ "rsa4096-sha256", {0}, {0}},
{ "sha256", {0}, {0}},
{ "ike:sha256", {0}, {0}},
};
static void check_sig_constraints(auth_cfg_t *cfg, auth_rule_t type,
signature_scheme_t expected[])
{
enumerator_t *enumerator;
auth_rule_t t;
signature_params_t *value;
int i = 0;
enumerator = cfg->create_enumerator(cfg);
while (enumerator->enumerate(enumerator, &t, &value))
{
if (t == type)
{
ck_assert(expected[i]);
ck_assert_int_eq(expected[i], value->scheme);
i++;
}
}
enumerator->destroy(enumerator);
ck_assert(!expected[i]);
}
START_TEST(test_sig_contraints)
{
auth_cfg_t *cfg;
signature_scheme_t none[] = {0};
cfg = auth_cfg_create();
cfg->add_pubkey_constraints(cfg, sig_constraints_tests[_i].constraints, FALSE);
check_sig_constraints(cfg, AUTH_RULE_SIGNATURE_SCHEME, sig_constraints_tests[_i].sig);
check_sig_constraints(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME, none);
cfg->destroy(cfg);
lib->settings->set_bool(lib->settings, "%s.signature_authentication_constraints",
FALSE, lib->ns);
cfg = auth_cfg_create();
cfg->add_pubkey_constraints(cfg, sig_constraints_tests[_i].constraints, TRUE);
check_sig_constraints(cfg, AUTH_RULE_SIGNATURE_SCHEME, sig_constraints_tests[_i].sig);
check_sig_constraints(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME, sig_constraints_tests[_i].ike);
cfg->destroy(cfg);
}
END_TEST
START_TEST(test_ike_contraints_fallback)
{
auth_cfg_t *cfg;
lib->settings->set_bool(lib->settings, "%s.signature_authentication_constraints",
TRUE, lib->ns);
cfg = auth_cfg_create();
cfg->add_pubkey_constraints(cfg, sig_constraints_tests[_i].constraints, TRUE);
check_sig_constraints(cfg, AUTH_RULE_SIGNATURE_SCHEME, sig_constraints_tests[_i].sig);
if (sig_constraints_tests[_i].ike[0])
{
check_sig_constraints(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME, sig_constraints_tests[_i].ike);
}
else
{
check_sig_constraints(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME, sig_constraints_tests[_i].sig);
}
cfg->destroy(cfg);
}
END_TEST
typedef union {
rsa_pss_params_t pss;
} signature_param_types_t;
struct {
char *constraints;
signature_scheme_t sig[5];
signature_param_types_t p[5];
} sig_constraints_params_tests[] = {
{ "rsa/pss-sha256", { SIGN_RSA_EMSA_PSS, 0 }, {
{ .pss = { .hash = HASH_SHA256, .mgf1_hash = HASH_SHA256, .salt_len = HASH_SIZE_SHA256, }}}},
{ "rsa/pss-sha256-sha384", { SIGN_RSA_EMSA_PSS, SIGN_RSA_EMSA_PSS, 0 }, {
{ .pss = { .hash = HASH_SHA256, .mgf1_hash = HASH_SHA256, .salt_len = HASH_SIZE_SHA256, }},
{ .pss = { .hash = HASH_SHA384, .mgf1_hash = HASH_SHA384, .salt_len = HASH_SIZE_SHA384, }}}},
{ "rsa/pss-sha256-rsa-sha256", { SIGN_RSA_EMSA_PSS, SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, {
{ .pss = { .hash = HASH_SHA256, .mgf1_hash = HASH_SHA256, .salt_len = HASH_SIZE_SHA256, }}}},
{ "rsa-sha256-rsa/pss-sha256", { SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_RSA_EMSA_PSS, 0 }, {
{},
{ .pss = { .hash = HASH_SHA256, .mgf1_hash = HASH_SHA256, .salt_len = HASH_SIZE_SHA256, }}}},
{ "rsa/pss", { 0 }, {}},
};
static void check_sig_constraints_params(auth_cfg_t *cfg, auth_rule_t type,
signature_scheme_t scheme[],
signature_param_types_t p[])
{
enumerator_t *enumerator;
auth_rule_t t;
signature_params_t *value;
int i = 0;
enumerator = cfg->create_enumerator(cfg);
while (enumerator->enumerate(enumerator, &t, &value))
{
if (t == type)
{
if (scheme[i] == SIGN_RSA_EMSA_PSS)
{
signature_params_t expected = {
.scheme = scheme[i],
.params = &p[i].pss,
};
ck_assert(signature_params_equal(value, &expected));
}
else
{
ck_assert(scheme[i]);
ck_assert(!value->params);
ck_assert_int_eq(scheme[i], value->scheme);
}
i++;
}
}
enumerator->destroy(enumerator);
ck_assert(!scheme[i]);
}
START_TEST(test_sig_contraints_params)
{
auth_cfg_t *cfg;
cfg = auth_cfg_create();
cfg->add_pubkey_constraints(cfg, sig_constraints_params_tests[_i].constraints, TRUE);
check_sig_constraints_params(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME,
sig_constraints_params_tests[_i].sig,
sig_constraints_params_tests[_i].p);
cfg->destroy(cfg);
}
END_TEST
struct {
char *constraints;
signature_scheme_t sig[6];
signature_param_types_t p[6];
} sig_constraints_rsa_pss_tests[] = {
{ "pubkey-sha256", { SIGN_RSA_EMSA_PSS, SIGN_RSA_EMSA_PKCS1_SHA2_256, SIGN_ECDSA_WITH_SHA256_DER, SIGN_ECDSA_256, SIGN_BLISS_WITH_SHA2_256, 0 }, {
{ .pss = { .hash = HASH_SHA256, .mgf1_hash = HASH_SHA256, .salt_len = HASH_SIZE_SHA256, }}, {}, {}, {}, {}}},
{ "rsa-sha256", { SIGN_RSA_EMSA_PSS, SIGN_RSA_EMSA_PKCS1_SHA2_256, 0 }, {
{ .pss = { .hash = HASH_SHA256, .mgf1_hash = HASH_SHA256, .salt_len = HASH_SIZE_SHA256, }}, {}}},
};
START_TEST(test_sig_contraints_rsa_pss)
{
auth_cfg_t *cfg;
lib->settings->set_bool(lib->settings, "%s.rsa_pss", TRUE, lib->ns);
cfg = auth_cfg_create();
cfg->add_pubkey_constraints(cfg, sig_constraints_rsa_pss_tests[_i].constraints, TRUE);
check_sig_constraints_params(cfg, AUTH_RULE_IKE_SIGNATURE_SCHEME,
sig_constraints_rsa_pss_tests[_i].sig,
sig_constraints_rsa_pss_tests[_i].p);
cfg->destroy(cfg);
}
END_TEST
Suite *auth_cfg_suite_create()
{
Suite *s;
TCase *tc;
s = suite_create("auth_cfg");
tc = tcase_create("add_pubkey_constraints");
tcase_add_loop_test(tc, test_sig_contraints, 0, countof(sig_constraints_tests));
tcase_add_loop_test(tc, test_ike_contraints_fallback, 0, countof(sig_constraints_tests));
suite_add_tcase(s, tc);
tc = tcase_create("add_pubkey_constraints parameters");
tcase_add_loop_test(tc, test_sig_contraints_params, 0, countof(sig_constraints_params_tests));
tcase_add_loop_test(tc, test_sig_contraints_rsa_pss, 0, countof(sig_constraints_rsa_pss_tests));
suite_add_tcase(s, tc);
return s;
}
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