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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2022 Oracle and/or its affiliates.
*
* KUnit test of SunRPC's GSS Kerberos mechanism. Subsystem
* name is "rpcsec_gss_krb5".
*/
#include <kunit/test.h>
#include <kunit/visibility.h>
#include <linux/kernel.h>
#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/gss_krb5.h>
#include "gss_krb5_internal.h"
MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
struct gss_krb5_test_param {
const char *desc;
u32 nfold;
const struct xdr_netobj *plaintext;
const struct xdr_netobj *expected_result;
};
static inline void gss_krb5_get_desc(const struct gss_krb5_test_param *param,
char *desc)
{
strscpy(desc, param->desc, KUNIT_PARAM_DESC_SIZE);
}
#define DEFINE_HEX_XDR_NETOBJ(name, hex_array...) \
static const u8 name ## _data[] = { hex_array }; \
static const struct xdr_netobj name = { \
.data = (u8 *)name##_data, \
.len = sizeof(name##_data), \
}
/*
* RFC 3961 Appendix A.1. n-fold
*
* The n-fold function is defined in section 5.1 of RFC 3961.
*
* This test material is copyright (C) The Internet Society (2005).
*/
DEFINE_HEX_XDR_NETOBJ(nfold_test1_plaintext,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35
);
DEFINE_HEX_XDR_NETOBJ(nfold_test1_expected_result,
0xbe, 0x07, 0x26, 0x31, 0x27, 0x6b, 0x19, 0x55
);
DEFINE_HEX_XDR_NETOBJ(nfold_test2_plaintext,
0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64
);
DEFINE_HEX_XDR_NETOBJ(nfold_test2_expected_result,
0x78, 0xa0, 0x7b, 0x6c, 0xaf, 0x85, 0xfa
);
DEFINE_HEX_XDR_NETOBJ(nfold_test3_plaintext,
0x52, 0x6f, 0x75, 0x67, 0x68, 0x20, 0x43, 0x6f,
0x6e, 0x73, 0x65, 0x6e, 0x73, 0x75, 0x73, 0x2c,
0x20, 0x61, 0x6e, 0x64, 0x20, 0x52, 0x75, 0x6e,
0x6e, 0x69, 0x6e, 0x67, 0x20, 0x43, 0x6f, 0x64,
0x65
);
DEFINE_HEX_XDR_NETOBJ(nfold_test3_expected_result,
0xbb, 0x6e, 0xd3, 0x08, 0x70, 0xb7, 0xf0, 0xe0
);
DEFINE_HEX_XDR_NETOBJ(nfold_test4_plaintext,
0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64
);
DEFINE_HEX_XDR_NETOBJ(nfold_test4_expected_result,
0x59, 0xe4, 0xa8, 0xca, 0x7c, 0x03, 0x85, 0xc3,
0xc3, 0x7b, 0x3f, 0x6d, 0x20, 0x00, 0x24, 0x7c,
0xb6, 0xe6, 0xbd, 0x5b, 0x3e
);
DEFINE_HEX_XDR_NETOBJ(nfold_test5_plaintext,
0x4d, 0x41, 0x53, 0x53, 0x41, 0x43, 0x48, 0x56,
0x53, 0x45, 0x54, 0x54, 0x53, 0x20, 0x49, 0x4e,
0x53, 0x54, 0x49, 0x54, 0x56, 0x54, 0x45, 0x20,
0x4f, 0x46, 0x20, 0x54, 0x45, 0x43, 0x48, 0x4e,
0x4f, 0x4c, 0x4f, 0x47, 0x59
);
DEFINE_HEX_XDR_NETOBJ(nfold_test5_expected_result,
0xdb, 0x3b, 0x0d, 0x8f, 0x0b, 0x06, 0x1e, 0x60,
0x32, 0x82, 0xb3, 0x08, 0xa5, 0x08, 0x41, 0x22,
0x9a, 0xd7, 0x98, 0xfa, 0xb9, 0x54, 0x0c, 0x1b
);
DEFINE_HEX_XDR_NETOBJ(nfold_test6_plaintext,
0x51
);
DEFINE_HEX_XDR_NETOBJ(nfold_test6_expected_result,
0x51, 0x8a, 0x54, 0xa2, 0x15, 0xa8, 0x45, 0x2a,
0x51, 0x8a, 0x54, 0xa2, 0x15, 0xa8, 0x45, 0x2a,
0x51, 0x8a, 0x54, 0xa2, 0x15
);
DEFINE_HEX_XDR_NETOBJ(nfold_test7_plaintext,
0x62, 0x61
);
DEFINE_HEX_XDR_NETOBJ(nfold_test7_expected_result,
0xfb, 0x25, 0xd5, 0x31, 0xae, 0x89, 0x74, 0x49,
0x9f, 0x52, 0xfd, 0x92, 0xea, 0x98, 0x57, 0xc4,
0xba, 0x24, 0xcf, 0x29, 0x7e
);
DEFINE_HEX_XDR_NETOBJ(nfold_test_kerberos,
0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73
);
DEFINE_HEX_XDR_NETOBJ(nfold_test8_expected_result,
0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73
);
DEFINE_HEX_XDR_NETOBJ(nfold_test9_expected_result,
0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73,
0x7b, 0x9b, 0x5b, 0x2b, 0x93, 0x13, 0x2b, 0x93
);
DEFINE_HEX_XDR_NETOBJ(nfold_test10_expected_result,
0x83, 0x72, 0xc2, 0x36, 0x34, 0x4e, 0x5f, 0x15,
0x50, 0xcd, 0x07, 0x47, 0xe1, 0x5d, 0x62, 0xca,
0x7a, 0x5a, 0x3b, 0xce, 0xa4
);
DEFINE_HEX_XDR_NETOBJ(nfold_test11_expected_result,
0x6b, 0x65, 0x72, 0x62, 0x65, 0x72, 0x6f, 0x73,
0x7b, 0x9b, 0x5b, 0x2b, 0x93, 0x13, 0x2b, 0x93,
0x5c, 0x9b, 0xdc, 0xda, 0xd9, 0x5c, 0x98, 0x99,
0xc4, 0xca, 0xe4, 0xde, 0xe6, 0xd6, 0xca, 0xe4
);
static const struct gss_krb5_test_param rfc3961_nfold_test_params[] = {
{
.desc = "64-fold(\"012345\")",
.nfold = 64,
.plaintext = &nfold_test1_plaintext,
.expected_result = &nfold_test1_expected_result,
},
{
.desc = "56-fold(\"password\")",
.nfold = 56,
.plaintext = &nfold_test2_plaintext,
.expected_result = &nfold_test2_expected_result,
},
{
.desc = "64-fold(\"Rough Consensus, and Running Code\")",
.nfold = 64,
.plaintext = &nfold_test3_plaintext,
.expected_result = &nfold_test3_expected_result,
},
{
.desc = "168-fold(\"password\")",
.nfold = 168,
.plaintext = &nfold_test4_plaintext,
.expected_result = &nfold_test4_expected_result,
},
{
.desc = "192-fold(\"MASSACHVSETTS INSTITVTE OF TECHNOLOGY\")",
.nfold = 192,
.plaintext = &nfold_test5_plaintext,
.expected_result = &nfold_test5_expected_result,
},
{
.desc = "168-fold(\"Q\")",
.nfold = 168,
.plaintext = &nfold_test6_plaintext,
.expected_result = &nfold_test6_expected_result,
},
{
.desc = "168-fold(\"ba\")",
.nfold = 168,
.plaintext = &nfold_test7_plaintext,
.expected_result = &nfold_test7_expected_result,
},
{
.desc = "64-fold(\"kerberos\")",
.nfold = 64,
.plaintext = &nfold_test_kerberos,
.expected_result = &nfold_test8_expected_result,
},
{
.desc = "128-fold(\"kerberos\")",
.nfold = 128,
.plaintext = &nfold_test_kerberos,
.expected_result = &nfold_test9_expected_result,
},
{
.desc = "168-fold(\"kerberos\")",
.nfold = 168,
.plaintext = &nfold_test_kerberos,
.expected_result = &nfold_test10_expected_result,
},
{
.desc = "256-fold(\"kerberos\")",
.nfold = 256,
.plaintext = &nfold_test_kerberos,
.expected_result = &nfold_test11_expected_result,
},
};
/* Creates the function rfc3961_nfold_gen_params */
KUNIT_ARRAY_PARAM(rfc3961_nfold, rfc3961_nfold_test_params, gss_krb5_get_desc);
static void rfc3961_nfold_case(struct kunit *test)
{
const struct gss_krb5_test_param *param = test->param_value;
u8 *result;
/* Arrange */
result = kunit_kzalloc(test, 4096, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, result);
/* Act */
krb5_nfold(param->plaintext->len * 8, param->plaintext->data,
param->expected_result->len * 8, result);
/* Assert */
KUNIT_EXPECT_EQ_MSG(test,
memcmp(param->expected_result->data,
result, param->expected_result->len), 0,
"result mismatch");
}
static struct kunit_case rfc3961_test_cases[] = {
{
.name = "RFC 3961 n-fold",
.run_case = rfc3961_nfold_case,
.generate_params = rfc3961_nfold_gen_params,
},
};
static struct kunit_suite rfc3961_suite = {
.name = "RFC 3961 tests",
.test_cases = rfc3961_test_cases,
};
kunit_test_suites(&rfc3961_suite);
MODULE_DESCRIPTION("Test RPCSEC GSS Kerberos 5 functions");
MODULE_LICENSE("GPL");
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